Monday, July 30, 2012

Exchange 2010 Forms Based Auth Crashing

In Exchange 2010, it seems like a lot of Small Business Server installations cause the Forms Based Authentication Service to crash.  Microsoft has identified this issue and it is because Exchange is installed on a Global Catalog Server.  While best practice identifies that Exchange should never be installed on a Domain Controller or Global Catalog Server, this is not a practical solution to customers using Small Business Server.

Microsoft has a "Fix it" solution for this.  This solution changes some of the dependencies for the Microsoft Exchanges services to be sure that the dependent services start first.

Microsoft Exchange SAEventLog, RPCSS, LanmanWorkstation,
LanmanServer, Netlogon
Microsoft Exchange AD Topology     Net Logon
Microsoft Exchange ISNet Logon

Here's the link to the KB with the "Fix It" download:  http://support.microsoft.com/kb/940845

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