User is member of AD grop and that group have permission on database. When this user tried to connect database through ODBC connection he gets following error and cannot connect:
"Microsfot SQL Server Native client version 10.50.4000). Login failed for user 'xxx\1234'. Micorsoft SQL Server native client 10.0.] SQL Server cannot open database "abc" requested by the login. The login failed. TEST FAILED."