I had contact with a Twitter user on an issue with Outlook for Mac 2011 talking against Exchange Server 2007 on Small Business Server 2008.

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When configuring a new account, Outlook for Mac reported “Account cannot be added. Note that Outlook 2011 requires Exchange Server 2007 SP1 Update Rollup 4 or later.”

However, that couldn’t be right because that user claimed to be running a higher version of Exchange 2007. After manually entering the server name, a connection could be established and an initial download of folders and contents took place. However, items weren’t updated and contacts and calendar remained empty.

After trying and checking some things, I asked to turn on Outlook for Mac’s logging hoping to find something in the Exchange Web Services log (Outlook for Mac 2011 is EWS based). You can enable logging by checking Window > Error Log > Errors > Settings > Turn on logging for troubleshooting. After a while I was sent the log file Microsoft Outlook_Troubleshooting_0.log which contained the following excerpt:

First, Exchange reports version 8.3.297.0 which corresponds with Exchange 2007 SP3 RU9 (EWS can report slightly different version than actual version), so something else was wrong while that’s well above Exchange 2007 SP1 RU4.

I then noticed various EWS requests returned http status code 200 (means OK) but also 500’s, which correspond to “Internal Server Error”. It happened after various requests (e.g. SyncFolderItems, GetFolder, GetItem) but not for all requests.

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Now, code 500 isn’t very helpful (general terminal failure) and a quick restart of IIS with iisreset /restart /noforce didn’t solve things.

After some digging it turned out the seemingly unrelated KB2264110 pointed in the right direction. I say unrelated, because it’s on messages not being updated on Blackberry Internet Service (BIS) after installing Exchange Server 2007 SP2. Turned out the performance counters on the Exchange 2007 server were corrupt and rebuilding them solved the issue.

To rebuild the performance libraries, perform the following steps from an elevated command prompt:

CD %SystemRoot%System32
Run lodctr /R (/R is case-sensitive) which will rebuild all known counters
Run wmiadap /f which will update the WMI performance classes
Restart the Exchange 2007 server

After these steps, Outlook for Mac 2011 could sync again with Exchange Server 2007 SP3.

In this blog, we will talk about a problem many Outlook users are facing recently. There are many Outlook users complaining that they are facing update issues with mailbox folders. Basically, when the user opens Outlook, all the other emails and content is updated. But some problems can arise anytime due to several reasons, and here we are going to discuss updating issues with Exchange. Let’s discuss that how it can be resolved.

Solution 1– Try updating folders manually. Sometimes due to poor internet connectivity and other reasons the content and folders in Outlook do not get updated automatically. To update it manually, you need to click on the Send/Receive tab on the top of the Outlook screen and click on the Update folder option given there. The update will happen, if you still can’t see your updated content, then you might have a different issue, move to the next step.

Solution 2– Try working on Offline and then on Online mode by switching between them. For this, click on the Send/Receive tab on the top of the Outlook screen as earlier and click on the Work Offline button. Close Outlook and open it again, and now click on the Send/Receive button again and de-select the Work Offline mode by clicking on it.

Solution 3– To deal with the problem, you can start with clearing the Offline items from Outlook. As you know that you can use Outlook offline anytime with the help of the cached data it has stored. This cached data not only helps you operate Outlook on offline mode, but also improves the performance. The problem arises when the offline items do not match with the online items, due to any sort of connectivity issues. So, the best option you are left with is to clear the offline items so that this issue could be resolved. Follow below-mentioned steps to do so:

Start with a right click on the folder and select Properties from the menu.
In the general tab click on the Clear Offline Items and all your Offline items will be removed.
Now on the top of the Outlook screen click on the Send/Receive tab and click on the Update folder.

Note: This will surely solve your problem. But, this solution will remove your files locally, click on the Synchronization tab and there you will see the details about the offline and server folders. There you will see that offline items are zero, but Server still contains items. After performing this, open Outlook again so that Outlook can download all items from Exchange again.

First close Outlook and open Control Panel by clicking on the Start button.
Click on the Mail in Control Panel.
Select Data Files from the Mail setup dialogue box. This is where all the data files used by Outlook are listed; they are listed with their respective locations.
Now select your OST and click on the Settings tab.
Now, in the Advanced tab click on the Outlook Data File Settings.
Click on the Compact Now in the Outlook Data Files Settings dialogue box and click on Ok.
Wait until the process takes place, and once it is done you will notice that the size of your OST has decreased.

Solution 4 Amethyst for mac. – Try using Scanost.exe for the cause. If you are using Outlook XP, 2000, 2002, 2003, and 2007 then you can use this OST integrity check tool to repair an OST. It is an inbuilt utility of MS Outlook, and you can find it at:

“C:Program FilesCommon FilesSystemMAPIscanost.exe” in Outlook XP.

“C:Program FilesCommon FilesSystemMAPINTscanost.exe” in Outlook 2000

“C:Program FilesCommon FilesSystemMAPIscanost.exe” in Outlook 2002

“C:Program FilesCommon FilesSystemMSMAPIscanost.exe” in Outlook 2003

“C:Program FilesMicrosoft OfficeOffice12” in Outlook 2007

Now, you know where to find this utility in which version of Outlook, but before you run it, it is advisable to close all the running instances of Outlook.

Solution 5– As we have already discussed that due to the cached data, the offline and online data may mismatch, so to overcome with this issue it is advisable that you disable this option from the settings as below:

In Outlook, click on the File tab.
In the info section click on the Account Settings and from the drop-down click on the Account Settings.
Now, in the E-mail tab click on the Exchange account.
Select Cha

Updating Outlook For Mac