Allen Kinsel - SQL DBA

SQL Server, PASS, and other data mishaps

Sql Server and SSPI handshake failed error hell

By Allen Kinsel, 1 month and 13 days ago

The infamous SSPI Failed error strikes again!

One of our SQL servers was generating these errors for «some» Windows logins but not all.

Error: 17806, Severity: 20, State: 2.

SSPI handshake failed with error code 0x8009030c while establishing a connection with integrated security; the connection has been closed. [CLIENT: 192.168.1.1]

Keep reading →

SQL Active Directory User ID SID Mismapings

By Allen Kinsel, 5 months and 13 days ago

Sometimes login mapping issues exist where you least expect them

This is not the traditional SQL login SID mismap issue that is frequently encountered and discussed here. This mismap was a new one on me so I thought id document it.

When trying to add a new Windows login for SQL Server 2005 or 2008 (probably earlier versions but not tested) you may wind up with this error message

Msg 15025, Level 16, State 2, Line 1

Keep reading →