Today we discovered a very strange issue. The management wanted to use our Sharepoint 2007, but it was not working. I tried also to connect and got an error about the configuration database is not available. See in German here:

 

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I was checking the Log File on the Sharepointserver (C:\Program Files\Common Files\Microsoft Shared\Web Server Extension\12\LOGS\Server-Name-Data.log) and see the following error.

 

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In the SQL Server you see such an error:

ERROR “Unknown SQL Exception 18452 occured. Additional error information from SQL Server is included below. Login failed. The login is from an untrusted domain and cannot be used with Windows authentication.”

The problem was only the domain trust between our old and new domain. In the Sahrepoint Configuration we added before the migration to the new domain, and old domain service user, which has to connect to the SQL Server.

I was looking to the old domain controller and see that there was too less space available on the system drive. After clearing up, the domain trust was working again and so on the Sharepoint server.

So happy Sharepointing. Zwinkerndes Smiley