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Home > Success Center > Database Performance Analyzer (DPA) > Failed to Register SQL Instance (failed to authenticate monitoring user) error when you try to register a database

Failed to Register SQL Instance (failed to authenticate monitoring user) error when you try to register a database

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Created by Interspire Import, last modified by MindTouch on Jun 23, 2016

Views: 132 Votes: 0 Revisions: 8

Symptom
You get a Failed to Register SQL Instance (failed to authenticate monitoring user) error when you try to register a SQL Server database.

Cause
SolarWinds DPA uses xp_logininfo to determine if the Windows user you provided as a database user during registration exists and whether it is an admin user. Unfortunately, if the account you provided cannot run xp_logininfo, DPA cannot continue with registering the database instance.

Workaround
There is a workaround you can use if the SQL Server allows both Windows and SQL server authentication.

 

  1. Use a SQL Server credential to register the database instance.
  2. After the database instance is registered, click Options > Update Connection Info to edit the database details.
  3. Select the database instance.
  4. Change the credentials of the database to the Windows user you originally wanted to use and then click Next.
  5. Click Update Connection Info.

The database instance should now be monitored using the Windows credential. 

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