QC Service starts and then stops

Issue: QC Service starts and then stops.

Steps to resolve: 

Verify that the service account is a sysadmin in SQL Server Management Studio (SSMS). 

1. Open SSMS and connect to the Server/instance the QC databases are restored on

2. On the left-hand side in the Object Explorer expand Security folder to see Logins

3. Verify the service account is listed - if it does not exist, add the account used for the QC services

4. Verify the service account is a sysadmin

a. Double-click on the service account user and select Server Roles on the left

b. Make sure there is a checkbox for sysadmin