Hi @arozanski_1087,
I apologize, can you please clarify this for me? Are you referring to ProGet connecting to SQL Server altogether or a user logging in with integrated authentication?
If it is ProGet connecting to SQL Server, please check the user on the Application Pool in IIS has access to the database. You may either need to change what user the application pool is running as or you will need to add the application pool user to the SQL Server database (ex: IIS APPPOOL\ProGet) You can only add an App Pool user if SQL Server in on the same server).
Thanks,
Rich

