Login to SQL Server as an admin account. Run following query by impersonating the user;
execute as user = 'SomeUserName' -- Set this to the user name you wish to check
select * from fn_my_permissions(null, 'DATABASE') -- Leave these arguments, don't change to MyDatabaseName
order by subentity_name, permission_name
revert
This will list all effective permission for this user;
Add to favorites