Day: March 8, 2011

Autodiscover failed on Outlook 2007 client with error 0x800c8203 after installing KB2412171

After installing KB2412171 on client computers I found another bug in this update.
Normally Outlook configure your Outlook profile on your primarily smtp address. But after this update this is changed to the user principal name. If you have not added user principal name to a mail user you will see dat autodiscovery wil fail.

Solution Uninstalling KB2412171

%windir%\System32\msiexec.exe /package <Office 2007 product code> /uninstall <patch code for the MSP from KB2412171> /Q /L*V %temp%\Remove_KB2412171.log Product codes (or “GUIDs”) for Office 2007 and Outlook 2007 are as follows: Standard: {90120000-0012-0000-0000-0000000FF1CE} Professional: {90120000-0014-0000-0000-0000000FF1CE} Professional Plus:{90120000-0011-0000-0000-0000000FF1CE} Enterprise:{90120000-0030-0000-0000-0000000FF1CE} Outlook 2007 Standalone: {90120000-001A-0000-0000-0000000FF1CE} Patch codes for the MSP files related to KB2412171 are as follows: {7961E819-93A5-40A8-8469-4BE2FBBFACEF}  (for the original patch) {752A0B7C-BD24-4362-AC86-AB63FEE6F46F} (for the re-release patch)

For my did this the trick
%windir%\System32\msiexec.exe /package {90120000-0030-0000-0000-0000000FF1CE} /uninstall {752A0B7C-BD24-4362-AC86-AB63FEE6F46F} /Q /L*V c:\Remove_KB2412171.log

Exchange 2010 Public Folder Database requirement

Current Status: Issue with mitigation

Unlike Outlook 2007 and 2010, Outlook 2003 clients rely on public folders. If a public folder database doesn’t exist, Outlook 2003 users will be blocked from connecting to their Exchange 2010 mailbox and receive the error message shown in Figure 8.


Figure 8: Error message when an Outlook 2003 user connects to an Exchange 2010 mailbox

There are several reasons why a public folder database is required for Outlook 2003 client. First, Outlook 2003 in cached mode uses the “OFFLINE ADDRESS BOOK” system folder to download the offline address book (OAB) and the “SCHEDULE+ FREE BUSY” to retrieve and update free/busy information.


Figure 9: Offline Address Book and Schedule+ Free Busy system folders

Second, if you’re installing Exchange 2010 into an existing Exchange organization running Exchange 2007, it’s important you add the Exchange 2010 public folder database to the replica list of the “SCHEDULE+ FREE BUSY” folder. If this step isn’t completed, users who use Outlook 2003 cannot publish their free/busy data in Exchange Server 2010. Instead hash marks appear in the free/busy data for these users. More information as well as the steps that can be used to remediate this issue can be found in the following KB article:

Special Thanks to Henrik Walther

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