Knowledgebase: Parallels Plesk Panel
Error: Cannot open user default database. Login failed.
Posted by Sean Syed on 16 March 2013 04:30 PM

When you try to perform MSSQL Database backup in DNN4Less Control Panel you receive the following error:

Error: Cannot open user default database. Login failed. Login failed for user 'xxxxxxxxxxxxx'.
Source: .Net SqlClient Data Provider

 Solution :

  1. Login to the Control Panel: https://control.DNN4Less.com/cp
  2. Select your Domain
  3. Go to Websites & Domains 
  4. Click Click Databases
  5. Click Click Database Name
  6. Check the database User Name 
  7. Click Make Default for DB Webadmin
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