I was able to login to the SQL Management Studio as both the SolidCP user and Admin user as specified in the config file

You need to try to log into database with user solidcp instead of windows Administrator, and try to access SolidCP database.

I sent 2 screenshots, the 1st one is the connection as SolidCP user, while the second is the SHOW SYSTEM_USER command run in SQL as well as the result showing SolidCP

Hello,

Is the hostname used the same as in your web.config? i assume your browse service is disabled still which causes the hostname to fail to work.

Regards,

Marco

Hostname server, Database, UserID and Password are exactly as it is in the web.config file as well as the App pool