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Exchange 2010 Sync Issue

I am having a problem with a new Exchange 2010 installation where Outlook is generating a Sync Issue e-mail each time a user logs onto Outlook. This affects all users and has been tested on multiple machines using Outlook 2007 and Outlook 2010 in cached mode. Each time Outlook generates the below error in the Sync Issues folder. Deleting a user's mail profile has no effect.

The setup is: Exchange1 running CAS and HT. Exchange 2 running Mailbox. Everything else appears to be working correctly. Mailflow is fine, GAL is fine, Offline Address Book is fine. This is a green-field site with no historical Exchange installations.

15:46:28 Synchronizer Version 12.0.4518
15:46:28 Synchronizing Mailbox 'User Name'
15:46:28 Synchronizing Hierarchy
15:46:28 Synchronizing server changes in folder 'Inbox'
15:46:28 Downloading from server 'Exchange1'
15:46:28                   2 view(s)/form(s) added to offline folder
15:46:28 Downloading from server 'Exchange1'
15:46:28                   3 view(s)/form(s) added to offline folder
15:46:28                   1 view(s)/form(s) updated in offline folder
15:46:29 Uploading to server 'Exchange1'
15:46:29                   1 item(s) deleted in online folder
15:46:29 Synchronizing Forms
15:46:29 Downloading from server 'Exchange2'
15:46:29 Error synchronizing folder
15:46:29                                 [80004005-501-4B9-560]
15:46:29                                 The client operation failed.
15:46:29                                 Microsoft Exchange Information Store
15:46:29                                 For more information on this failure, click the URL below:
15:46:29                                 http://www.microsoft.com/support/prodredirect/outlook2000_us.asp?err=80004005-501-4b9-560
15:46:29 Done
15:46:33 Microsoft Exchange offline address book
15:46:33 Download successful
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PhilipK_Dick
Asked:
PhilipK_Dick
1 Solution
 
BusbarSolutions ArchitectCommented:
have you configure you OAB distrbution method to use HTTP and made sure that yu have the correct URLS configured on the OAB virtual directory and that correct SSL certificate is configured
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PhilipK_DickAuthor Commented:
Hi Busbar. Thanks for the reply. The OAB distribution was configured for Web-Based with the correct URLs and the correct SSL certs. After noticing the errors, we also enabled Public Folders as a distribution method, but this made no difference to the error received. All aspects of the OAB appear to be working correctly - it downloads successfully when a user is online and it is available when a user is offline. It is also updating new mail addresses correctly.

What is making this issue so difficult to troubleshoot is that everything seems to be working correctly, but the sync error still appears every time a user logs onto Outlook.
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BusbarSolutions ArchitectCommented:
Hi Philip,
sorry I didn't read the error correctly, this error could be caused by 2 reasons:
- Incorrect OST file, so delete the user's profile, delete all of the OST files then create the profile again ans see how it works.
- incorrect organization form, here is a KB:http://support.microsoft.com/kb/162703
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PhilipK_DickAuthor Commented:
Hi Busbar,
Thanks for the reply again. Unfortunately the issue is with every user in the organisation, including newly created users, so neither of the above applies to our situation. The default permissions are correct on the OFL and the correct server is listed in the replication of the OFL.
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PhilipK_DickAuthor Commented:
Further testing has revealed the issue is around the Organizational Forms Library. Removing the existing Public Folder database and creating a new one removed the errors. However, when we create a new, blank, Organizational Forms Library, the error appears again.

Is there a Microsoft article for creating an Organizational Forms Library for Exchange 2010? We have used the relevant article for Exchange 2007, but this has slightly different parameters than Exchange 2010. We would like to ensure that we are using the correct parameters in case this is where the issue lies, although at this point it appears to be a bug.
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PhilipK_DickAuthor Commented:
Microsoft has confirmed this to be a bug.
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BusbarSolutions ArchitectCommented:
Hi Philip,
I have several customers who are facing the issue, can you confirm that Microsoft updated you that this is a bug, also can you post the CSR or issue no.  you got from them

thanks in advance
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PhilipK_DickAuthor Commented:
Hi Busbar,
The response from Microsoft was that they had eventually tested this themselves following over two weeks of getting us to try different things. Their tests gave the same failure we have been getting and their response is that this is a 'By Design' issue and that because it didn't actually cause any issues, we could 'safely ignore' the problem. The issue has now been reported back to their development team with no known fix time. In other words, it's a bug, it's been reported, and it will get fixed when it gets fixed and since it doesn't actually stop anything from working, it's probably not going to be high on the list for patches.

Regards,
Philip.
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BusbarSolutions ArchitectCommented:
Hi Philip.
I am working with a customer and he got the same response. Exactly the same issue. I posted that on my blog:
http://busbar.blogspot.com/2010/04/exchange-2010-bug-sync-issues-with.html, now that got lot of attention on the blog and some guys opened a topic on Microsoft forums here
http://social.technet.microsoft.com/Forums/en-US/exchange2010/thread/e2ca3480-0855-4822-bc42-3747a4bd1b1d
my customer got the same response but since so many people are getting the issue we have the chance to escalate it.
can you please send to me the email you got from MS, i am working with several MVPs and Architects now to analys the issue if you would like you can send to me email or print screen from the section they responded to you with the above response along with the email of the support engineer and the case ID, if you can and like to do that.

if you don't then it is ok, but we have the chance to escalate it and fix that issue
you can email me on mahmoud2297(at)hotmail(dot)com.

Thanks again for your support
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PhilipK_DickAuthor Commented:
Hi Busbar,
You should be able to see the full thread here:
http://social.microsoft.com/Forums/en-US/partnermsgexchange/thread/cf6fc702-cfed-4818-8b51-47b6042f8329

Let me know if you have issues getting access to the thread.

Regards,
Philip.
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BusbarSolutions ArchitectCommented:
Thanks a lot Philip
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obstechCommented:
This sounds like my issue, although some users lose sent items, and when I turn off cached exchange mode, sync errors are gone, but also, a who;e bunch of emails come back as unread, although they have read the emails. My concern is that the issue does cause problems, but luckily for not on a laptop....yet. So I have so far got around the issue by turning off cached exchange mode.

Any more information or fixes would be great.....  
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shunailCommented:
I'm having same issue as obstech. 3 users are having issue when they turn on their system in the morning, they have blank Outlook. But when they send an email out to themself, Outlook 2010 synchronizes with Exchange server 2010. They also end up getting "Synchronization log" as above. Even when we switched their system to new and configured their Outlook, comes blank, unless they send themselves Test Email and than things start popping up and all their email gets unread. Any solutions??
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