Error message: when you try to grant a user access to a test company in Microsoft Dynamics GP: “The user could not be added to one or more databases”
Solution:First check if any unused Companies are in Access Window and then go to Sql maintenace
type the query as company master table
select * from SY00105
delete those un wanted compaines from that table
and then restart the GP and re-login .
Your problem will be resolve .
If any issues please let me know.