📎 AI Summary:
The thread discusses a SQL Server issue where an important MDF database file is reported as not a valid primary database file, causing user connectivity problems. The original poster seeks advice on whether the file is corrupted or if it's a minor issue, and how to resolve it. A responder suggests attempting a recovery approach (details redacted), emphasizing the importance of backups for future safety. The overall sentiment indicates troubleshooting steps, but specific resolution details are not provided in the visible excerpt.
Naitik S

Naitik S

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Thread Author #1
Dear friends, need your kind and quick assistance here.

I'm working as an SA in my company and handle my SQL Server. One of the important MDF files is not valid as my users are getting this error: "Filename.mdf is not a primary database file".
Is this corruption or a minor issue? From where should I start to fix it?

Please help me. :pray:
 

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patcooke

patcooke

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#2
Assuming you don't have any backups (which you should consider for the future) try this:

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