Tim Anderson's ITWriting » exchange

Fixing a Small Business Server 2008 broken by updates

tim — Fri, 27 Jan 2012 09:30:40 +0000

I had a call last night from a small business whose email no longer worked. They had applied updates to the server but Exchange had failed to restart.

Looking at the services it was easy to see why. All the Exchange services and certain others including the IIS web server were set to disabled:

The likely culprit was Update Rollup 5 for Exchange Server 2007 Service Pack 3 (KB 2602324) – or rather, the mechanism which applies the patch, since this seems to be an issue that others have run into as far back as 2008 with other Exchange patches, though it is rare:

I installed the Update Rollup 4 and did a reboot of my Exchange Server 2007. But since then, all my services are disabled. Is this a known issue?

My guess is that the patch disables the services in order to update the binaries and then, for some unknown reason not fixed by Microsoft over these last four years, fails to re-enable them.

It seems that no harm was done other than that the services were disabled, but how can you know which services are meant to be running, which should be set to manual, and which should stay disabled?

I contemplated doing a quick test install of SBS 2008 on a VM just to see how it is set out of the box, but fortunately found this post by Susan Bradley which shows default SBS 2008 running services.

There were a few other things wrong. SharePoint Services was raising event 5586:

Unknown SQL Exception 33002 occured. Additional error information from SQL Server is included below. Access to table dbo.Versions is blocked because the signature is not valid.

and there was the related event 33002 from the internal SQL Server used by SharePoint. The cause of this was SharePoint Services 3.0 Service Pack 3. When you apply a major update to SharePoint Services, you have to re-run the SharePoint Products and Technologies Configuration Wizard. This is by design, though it seems odd to me that you apply an update and it silently breaks the product it is updating until you run a further manual process. Of course the error itself does not give you much clue about what is really wrong.

The third major issue was a JRNL_WRAP_ERROR from the NTFrs File Replication Service. You have to be careful with this one, since the advised fix in the event log presumes the presence of a good replica elsewhere, which in the case of SBS is unlikely. See this article for details. With SBS which it is the sole domain controller you should set the BurFlags registry key to D4. Further comment on ServerFault here.

The incident reminds me of how prickly SBS can be. It is great value for what it does, but has all the complexity of Microsoft’s server stack plus the further disadvantage of being crammed onto one machine. I prefer a pseudo multi-server approach, even for small businesses, with at least two physical servers and separate VMs for Exchange, SharePoint, domain controller, backup DC on the other physical machine, and so on. Of course this has complexity of its own.

I would guess that when upgrade time comes around, companies like this will be looking carefully at Office 365. Or Google Apps; but the advantage of Office 365 is that you can make the transition from SBS with relatively little impact on users: just migrate the Active Directory, Exchange and SharePoint. You lose flexibility and some local performance, but hand over the maintenance issues to Microsoft.

ITWriting.com awards 2011: ten key happenings, from Nokia’s burning platform to HP’s nightmare year

tim — Thu, 29 Dec 2011 10:39:58 +0000

2011 felt like a pivotal year in technology. What was pivoting? Well, users are pivoting away from networks and PCs and towards cloud and devices. The obvious loser is Microsoft, which owns PCs and networks but is a distant follower in devices and has mixed prospects in the cloud. Winners include Apple, Google, Amazon, and Android vendors. These trends have been obvious for some time, but in 2011 we saw dramatic evidence of their outcome. As 2011 draws to a close, here is my take on ten happenings, presented as the first ever ITWriting.com annual awards.

1. Most dramatic moment award: Nokia’s burning platform and alliance with Microsoft

In February Nokia’s Stephen Elop announced an alliance with Microsoft and commitment to Windows Phone 7. In October we saw the first results in terms of product: the launch of the Lumia smartphone. It is a lovely phone though with some launch imperfections like too short battery life. We also saw greatly improved marketing, following the dismal original Windows Phone 7 launch a year earlier. Enough? Early indications are not too good. Simply put, most users want iOS or Android, and the app ecosystem, which Elop stated as a primary reason for adoption Windows Phone, is not there yet. Both companies will need to make some smart moves in 2012 to fix these issues, if it is possible. But how much time does Nokia have?

2. Riskiest technology bet: Microsoft unveils Windows 8

In September 2011 Microsoft showed a preview of Windows 8 to developers at its BUILD conference in California. It represents a change of direction for the company, driven by competition from Apple and Android. On the plus side, the new runtime in Windows 8 is superb and this may prove to be the best mobile platform from a developer and technical perspective, though whether it can succeed in the market as a late entrant alongside iOS and Android is an open question. On the minus side, Windows 8 will not drive upgrades in the same way as Windows 7, since the company has chosen to invest mainly in creating a new platform. I expect much debate about the wisdom of this in 2012.

Incidentally, amidst all the debate about Windows 8 and Microsoft generally, it is worth noting that the other Windows 8, the server product, looks like being Microsoft’s best release for years.

3. Best cloud launch: Office 365

June 2011 saw the launch of Office 365, Microsoft’s hosted collaboration platform based on Exchange and SharePoint. It was not altogether new, since it is essentially an upgrade of the older BPOS suite. Microsoft is more obviously committed to this approach now though, and has built a product that has both the features and the price to appeal to a wide range of businesses, who want to move to the cloud but prefer the familiarity of Office and Exchange to the browser-based world of Google Apps. Bad news though for Microsoft partners who make lots of money nursing Small Business Server and the like.

4. Most interesting new cross-platform tool: Embarcadero Delphi for Windows, Mac and iOS

Developers, at least those who have still heard of Embarcadero’s rapid application development tool, were amazed by the new Delphi XE2 which lets you develop for Mac and Apple iOS as well as for Windows. This good news was tempered by the discovery that the tool was seemingly patched together in a bit of a hurry, and that most existing application would need extensive rewriting. Nevertheless, an interesting new entrant in the world of cross-platform mobile tools.

5. Biggest tech surprise: Adobe shifts away from its Flash Platform

This one caught me by surprise. In November Adobe announced a shift in its business model away from Flash and away from enterprise development, in favour of HTML5, digital media and digital marketing. It also stated that Flash for mobile would no longer be developed once existing commitments were completed. The shift is not driven by poor financial results, but rather reflects the company’s belief that this will prove a better direction in the new world of cloud and device. Too soon and too sudden? Maybe 2012 will show the impact.

6. Intriguing new battle award: NVIDIA versus Intel as GPU computing catches on

In 2011 NVIDIA announced a number of wins in the supercomputing world as many of these huge machines adopted GPU Computing, and I picked up something of a war of words with Intel over the merits of what NVIDIA calls heterogeneous computing. Intel is right to be worried, in that NVIDIA is seeing a future based on its GPUs combined with ARM CPUs. NVIDIA should worry too though, not only as Intel readies its “Knight’s Corner” MIC (Many Integrated Core) chips, but also as ARM advances its own Mali GPU; there is also strong competition in mobile GPUs from Imagination, used by Apple and others. The GPU wars will be interesting to watch in 2012.

7. Things that got worse award: Spotify. Runners up: Twitter, Google search

Sometimes internet services come along that are so good within their niche that they can only get worse. Spotify is an example, a music player that for a while let you play almost anything almost instantly with its simple, intuitive player. It is still pretty good, but Spotify got worse in 2011, with limited plays on free account, more intrusive ads, and sign-up now requires a Facebook login. Twitter is another example, with URLS now transformed to t.co shortcuts whether you like it not and annoying promoted posts and recommended follows. Both services are desperately trying to build a viable business model on their popularity, so I have some sympathy. I have less sympathy for Google. I am not sure when it started making all its search results into Google links that record your click before redirecting you, but it is both annoying and slow, and I am having another go with Bing as a result.

8. Biggest threat to innovation: Crazy litigation from Lodsys, Microsoft, Apple

There has always been plenty of litigation in the IT world. Apple vs Microsoft regarding graphical user interfaces 1994; Sun vs Microsoft regarding Java in 1997; SCO vs IBM regarding UNIX in 2003; and countless others. However many of us thought that the biggest companies exercised restraint on the grounds that all have significant patent banks and trench warfare over patent breaches helps nobody but lawyers. But what if patent litigation is your business model? The name Lodsys sends a chill though any developer’s spine, since if you have an app that supports in-app purchases you may receive a letter from them, and your best option may be to settle though others disagree. Along with Lodsys and the like, 2011 also brought Microsoft vs several OEMs over Android, Apple vs Samsung over Android, and much more.

9. Most horrible year award: HP

If any company had an Annus Horribilis it was HP. It invested big in WebOS, acquired with Palm; launched the TouchPad in July 2011; announced in August that it was ceasing WebOS development and considering selling off its Personal Systems Group; and fired its CEO Leo Apotheker in September 2011.

10. Product that deserves better award: Microsoft LightSwitch

On reflection maybe this award should go to Silverlight; but it is all part of the same story. Visual Studio LightSwitch, released in July 2011, is a model-driven development tool that generates Silverlight applications. It is nearly brilliant, and does a great job of making it relatively easy to construct business database applications, locally or on Windows Azure, complete with cross-platform Mac and Windows clients, and without having to write much code. Several things are unfortunate though. First, usual version 1.0 problems like poor documentation and odd limitations. Second, it is Silverlight, when Microsoft has made it clear that its future focus is HTML 5. Third, it is Windows and (with limitations) Mac, at a time when something which addresses the growing interest in mobile devices would be a great deal more interesting. Typical Microsoft own-goal: Windows Phone 7 runs Silverlight, LightSwitch generates Silverlight, but no, your app will not run on Windows Phone 7. Last year I observed that Microsoft’s track-record on modelling in Visual Studio is to embrace in one release and extinguish in the next. History repeats?

Exchange 2010 Service Pack 2 with Office 365 migration wizard and retro Outlook Mini

tim — Tue, 06 Dec 2011 10:52:27 +0000

Microsoft has released Exchange 2010 SP2, which I have successfully installed on my small system.

There is a description of what’s new here. The most notable features are the Hybrid Configuration Wizard for setting up co-existence between on-premise Exchange and Office 365, and Outlook Mini for low-end phones with basic browsers.

A hybrid setup lets you include on-Premise Exchange and Office 365 Exchange in a single organisation. You can move mailboxes back and forth, archive messages online (even from on-Premise mailboxes), and synchronize Active Directory information. The feature is not new, but the wizard is.

This looks similar to the Exchange migration tools for BPOS and Office 365 so this is mainly a matter of baking them into the product.

Outlook Mini is very retro; I like it. It is also called Outlook Mobile Access and is similar to a feature of Exchange 2003 though it is new code; it is actually built using Outlook Web Access forms and accessed at the url yourexchange/owa/oma. There is no automatic redirection so users will have to be shown where to find it.

Finally, this note amused me as evidence of how far litigation issues have permeated into Microsoft’s products. But what is the point of a “litigation hold” if it is so easily bypassed?

In Exchange 2010 SP2, you can’t disable or remove a mailbox that has been placed on litigation hold. To bypass this restriction, you must either remove litigation hold from the mailbox, or use the new IgnoreLegalHold switch parameter when removing or disabling the mailbox.

Disappearing items in Outlook and Exchange

tim — Sun, 20 Mar 2011 11:38:50 +0000

I came across what looks to me like an unusual bug, most likely in Microsoft Outlook. Background: I have used the Notes folder in my Exchange mailbox for all sorts of information going back several years. This morning, I looked at the folder and found it empty, except for one solitary item. Normally there are over 1000. The surviving item was the result of my last search in that folder.

Now, the Exchange database is robust in my experience; and most often when items disappear it is not a bug but a result of Outlook working as designed but catching the user out in some way. Here are some common reasons:

The items got auto-archived. Archives can be present on any machine on which you run Outlook. The default location for the archive folder is in a hidden location such as C:\Users\[USERNAME]\AppData\Local\Microsoft\Outlook\archive1.pst, where [USERNAME] is your Windows username. It really is hard for users to find this without expert help. How can the popular corporate mail client have usability like this? But I digress. The solution is to open the archive in Outlook and drag items back where they are wanted.
The items are present, but filtered out by the view. Views in Outlook can be filtered to restrict the items on display, for example to unread items only. The user set the filter by clicking something in Outlook’s labyrinthine user interface, but does not realise it is still set. The effect is that items disappear. The solution is to reset the filter.
The user accidentally dragged a folder inside another folder. This is easily done, as Outlook does not prompt you when you do this; it just moves the folder. The symptom is that a little expand symbol appears in the target folder, if it does not already have subfolders. The solution is to drag it back.
The user accidentally deleted the items or folder. Outlook does not prompt when you delete items. In this case, however, the items end up in the Deleted Items folder. The solution is to drag them back where you want them.

Even if the user has subsequently emptied the deleted items folder, there is hope. Outlook has a little-known feature called Recover Deleted Items. Items go into a kind of hidden deleted items folder for a period after they get removed from the visible deleted items folder, or if they are removed with Shift-Delete. Recover Deleted Items, which is on the Folder tab in Outlook 2010 and on the Tools menu in earlier versions, will let you get them back.

My disappeared notes were nowhere to be found. Further, the evidence is that I had not deleted them, since the surviving item was the result of a search. There is no command that I know of to delete all items in a folder other than the result of a search.

Still, I wanted to get them back if possible; and preferably without restoring Exchange to an earlier date, this being a fairly slow and painful operation. I checked my laptop without connecting it to the network, to see if this had an offline copy. My laptop runs Outlook 2007. There was no offline copy, since it had synchronised subsequent to the items disappearing.

Incidentally, this is why synchronisation and redundancy are not the same as backup.

I had one more go at Recover Deleted Items. Curiously, Outlook 2007 does have a Recover Deleted Items option for the Notes folder, whereas Outlook 2010 does not. Note though that the deleted items live not in the local offline store, but in Exchange.

To my surprise, all my old notes were there. I selected them all in the Recover Deleted Items window and clicked to undelete. Now I am back where I was, except that all my old notes now have a “Created” date of today. A nuisance, but a good outcome nonetheless.

But what happened? I have two questions about this. One is how the items got deleted in the first place. The second is how they ended up in Recover Deleted Items. The documentation for Recover Deleted Items will make your head spin. It is an Exchange feature, but apparently controlled by Outlook. This knowledgebase article says it only works on the Deleted items folder, unless you are using Outlook 2007 when it works on all the folders.

Does that suggest that is was Outlook 2007 that deleted my items? But how could Outlook 2007 on one machine delete all the items except the result of a search in Outlook 2010 on another machine? It does not make sense.

My view is that Outlook has become so obscure and intricate in its inner workings that anything is possible. I think Microsoft should build a new Exchange client.

Microsoft Exchange 2010 annoyance: certificate wizard incompatible with certificate services

tim — Fri, 31 Dec 2010 08:56:49 +0000

I’ve used the holiday break to do some testing on Exchange 2010. I have a virtual network which includes a machine running Microsoft’s Certificate Services. The wizard generates a .req file which you can submit to a certification authority. In my case I submitted to my own certificate server using the certreq command. Here’s what you get:

The error message is “Certificate not issued (Incomplete)”

Kudos to Vadims Podans on the Network Steve Forum who has the answer. The Exchange 2010 wizard creates the request in a Unicode file. Certificate Services only understands Ansi. You have to open the request file in Notepad and then Save As specifying Ansi encoding. Then it works.

Actually it doesn’t work, but you get a more intelligible error. When you submit the request using certreq you have to specify a template by adding the argument:

-attrib "CertificateTemplate:WebServer"

Podans has that information too.

I realise that the majority of Exchange admins submit certificate requests to commercial authorities rather than internal ones. Still, you would hope that a Microsoft certificate wizard would be compatible with Microsoft’s own certificate server, at least if you check the right box.

Exchange 2007: ESEUTIL beats the wizard

tim — Wed, 05 May 2010 23:05:06 +0000

Today I was asked to help find missing email in Small Business Server 2008, in other words Exchange 2007. Somehow, thousands of emails had disappeared from a user’s mailbox. They were there a couple of days earlier, so we restored a backup. The procedure is nicely explained by John Bay. You restore the Exchange database to a temporary directory, leaving Exchange up and running. Then you mount the restored backup into a “recovery storage group”, from where you can merge items from the recovered mailbox into the live one.

All went well, until the point where you mount the restored backup. The database would not mount. The event viewer said it was in an inconsistent state. Bay anticipates this, and suggests using the Exchange Troubleshooting Assistant to repair the database. The repair chugged away and completed; but the database still would not mount. I tried again, same result.

I gave up on the Assistant and reverted to the traditional command-line tools. I used the sequence:

ESEUTIL /P

ESEUTIL /D

ISINTEG

running against the recovered database. The first does a repair; the second defragments; and the third runs integrity checks and applies fixes.

Now, you would have thought that the Troubleshooting Assistant would use these very same tools underneath its pretty GUI, but that cannot be the case. Apart from anything else, ESEUTIL /P took much longer than the Assistant. In particular, it appeared to hang while doing something mysterious called Deleting Unicode fixup table.

It carried on saying this for around 7 hours. There was evidence that the process was still alive though, so I left it be.

It worked. I ran the other two commands, mounted the database, and merged the mailbox to recover about 4,000 emails.

The question remains: where did the emails go? All I know is that the problem coincided with a newly installed Windows and Outlook, which I’m guessing is significant.

The mystery of the slow Exchange 2007: when hard-coded values come back to haunt you

tim — Tue, 26 Jan 2010 07:50:43 +0000

Following a migration from Microsoft Small Business Server 2003 to SBS 2008 users were complaining that Exchange was slower than before in some scenarios. How could this be? The new machine had 64-bit goodness and far more RAM than before.

I checked out the machine’s performance and noticed something odd. Store.exe, the Exchange database, usually grabs vast amounts of RAM, but in this case it was using surprisingly little, around 640MB. Could this be related to the performance issue?

I speculated that Exchange memory usage was limited in some way, so looked up where such a limit is set. I found this article. Ran ADSI Edit and there it was, a 640MB limit (or thereabouts), set in msExchESEParamCacheSizeMax.

I removed the limit, restarted Exchange 2007, and it immediately said “thank you very much” and grabbed 8GB instead.

Why did this setting exist? No doubt because back in the days of SBS 2003 and a much less powerful 32-bit machine, someone set it in order to prevent store.exe from crippling the box. It is another example of why Small Business Server is harder to manage than full server setups when Exchange invariably has a dedicated server (or several).

SBS 2008 cannot be installed as an in-place upgrade; but the official migration process does preserve Active Directory; and since that is where this value lives, and since it is not specific to any version of Exchange, it was dutifully transferred.

Why wasn’t the setting discovered and changed before? Well, you will observe that it is somewhat hidden. The main chances of finding it would be either if you were deeply schooled in the ways of Exchange, or if one of the Best Practices Analyzer (BPA) tools picked it up, or if the users screamed that Exchange was slow (which is what happened) and you figured out what was wrong.

The SBS BPA did not notice it. The Exchange BPA did, kind-of. It was not shown as a critical problem, but listed for information under “Non-Default Settings”, ironically with a tick beside it, as “Maximum ESE cache size changed”. Summoning help on this setting leads to this article which refers to Exchange 2000.

An admin failure, yes, but arguably also a defect in Exchange and SBS. Typical Microsoft: critical setting, hard-coded when it would make more sense to use a percentage value, not checked by setup and persistent across major upgrades of Exchange, deeply buried in Active Directory.

Mentioned here just in case it saves someone time when trying to figure out why their shiny 64-bit Exchange 2007 is running worse than 32-bit Exchange 2003 ever did.

A year of blogging: another crazy year in tech

tim — Thu, 31 Dec 2009 22:55:41 +0000

At this time of year I allow myself a little introspection. Why do I write this blog? In part because I enjoy it; in part because it lets me write what I want to write, rather than what someone will commission; in part because I need to be visible on the Internet as an individual, not just as an author writing for various publications; in part because I highly value the feedback I get here.

Running a blog has its frustrations. Adding content here has to take a back seat to paying work at times. I also realise that the site is desperately in need of redesign; I’ve played around with some tweaks in an offline version but I’m cautious about making changes because the current format just about works and I don’t want to make it worse. I am a writer and developer, but not a designer.

One company actually offered to redesign the blog for me, but I held back for fear that a sense of obligation would prevent me from writing objectively. That said, I have considered doing something like Adobe’s Serge Jespers and offering a prize for a redesign; if you would like to supply such a prize, in return for a little publicity, let me know. One of my goals is to make use of WordPress widgets to add more interactivity and a degree of future-proofing. I hope 2010 will be the year of a new-look ITWriitng.com.

So what are you reading? Looking at the stats for the year proves something I was already aware of: that the most-read posts are not news stories but how-to articles that solve common problems. The readers are not subscribers, but individuals searching for a solution to their problem. For the record, the top five in order:

Annoying Word 2007 problem- can’t select text – when Office breaks

Cannot open the Outlook window – what sort of error message is that? – when Office breaks again

Visual Studio 6 on Vista – VB 6 just won’t die

Why Outlook 2007 is slow- Microsoft’s official answer – when Office frustrates

Outlook 2007 is slow, RSS broken – when Office still frustrates

The most popular news posts on ITWriting.com:

London Stock Exchange migrating from .NET to Oracle/UNIX platform - case study becomes PR disaster

Parallel Programming: five reasons for caution. Reflections from Intel’s Parallel Studio briefing – a contrarian view

Apple Snow Leopard and Exchange- the real story – hyped new feature disappoints

Software development trends in emerging markets – are they what you expect?

QCon London 2009 – the best developer conference in the UK

and a few others that I’d like to highlight:

The end of Sun’s bold open source experiment – Sun is taken over by Oracle, though the deal has been subject to long delays thanks to EU scrutiny

Is Silverlight the problem with ITV Player- Microsoft, you have a problem – prophetic insofar as ITV later switched to Adobe Flash; it’s not as good as BBC iPlayer but it is better than before

Google Chrome OS – astonishing – a real first reaction written during the press briefing; my views have not changed much though many commentators don’t get its significance for some reason

Farewell to Personal Computer World- 30 years of personal computing – worth reading the comments if you have any affection for this gone-but-not-forgotten publication

Is high-resolution audio (like SACD) audibly better than than CD – still a question that fascinates me

When the unthinkable happens: Microsoft/Danger loses customer data – as a company Microsoft is not entirely dysfunctional but for some parts there is no better word

Adobe’s chameleon Flash shows its enterprise colours – some interesting comments on this Flash for the Enterprise story

Silverlight 4 ticks all the boxes, questions remain – in 2010 we should get some idea of Silverlight’s significance, now that Microsoft has fixed the most pressing technical issues

and finally HAPPY NEW YEAR

Technorati Tags: flash,silverlight,tim anderson,google,apple,.net,microsoft,sun,oracle,adobe

Los Angeles chooses Google over Exchange for email – who will follow?

tim — Thu, 29 Oct 2009 08:55:07 +0000

When the city council of Los Angeles needed to replace its Novell email system, it looked at two main options. One was Microsoft Exchange, the other Google Apps; and Google won the deal.

There is one, fascinating, caveat. According to David Sarno at LA Times:

The contract was approved pending an amendment that would require Google to compensate the city in the event that the Google system was breached and city data exposed or stolen. No such clause existed in the contract.

Compensation sounds like something more substantial than the fee refund offered by a typical SLA (Service Level Agreement) – and this is about security, not interruption of service.

I would be intrigued to know whether Microsoft pitched a traditional on-premise solution (most likely); or whether it sought to do like-for-like with Google with a hosted Exchange offering.

It’s been a good month or so for Google Apps. I’ve heard of deals with Rentokil Initial (up to 35,000 users worldwide) and Jaguar Land Rover (15,000 worldwide). Deals like this put Google on the map for many more organisations.

Could 2010 be the year of the cloud?

Technorati Tags: google,los angeles,exchange,microsoft

Microsoft will document the Outlook file format; users would rather it just worked better

tim — Mon, 26 Oct 2009 17:41:07 +0000

Microsoft’s Paul Lorimer, Group Manager for Microsoft Office Interoperability, has announced that the .pst file format will be published:

In order to facilitate interoperability and enable customers and vendors to access the data in .pst files on a variety of platforms, we will be releasing documentation for the .pst file format. This will allow developers to read, create, and interoperate with the data in .pst files in server and client scenarios using the programming language and platform of their choice.

The initials .pst stand, I believe, for “Personal store”. This is the format used by standalone Outlook, for users without Exchange. You can also have Exchange deliver email to a .pst, though more normally Exchange mail is stored in an .ost (“Offline store”) which replicates the mailbox on the server. The .pst format is still used for archiving in this scenario. I’m not sure how different .pst and .ost are internally, or whether Microsoft intends to document both.

Any move towards open formats is welcome, though I’m not sure how important this one is; further, Outlook is frail enough as it is, so I’m nervous about third-party software modifying a .pst and perhaps getting it slightly wrong and causing problems. Programmatic access to Outlook data has long been available, via the ancient MAPI or via Outlook’s COM API.

In just slightly related news, my help post on the error message Cannot open the Outlook window is the most viewed post on this site this month and the fourth most viewed last month; it has 129 comments.

I suspect most users would prefer a faster and more robust Outlook over and above a published file format; unlike Office document formats, a .pst is not generally shared with others.

Technorati Tags: outlook,microsoft,interoperability