Known Issue: Moving or Restoring a K2 database to a new SQL Server instance results in a SCSSOKey error
KB001957
PRODUCT
When you move or restore your K2 database on a new SQL server instance, you may receive the following error in your HostServer logs or in Console Mode:
Error 2001 Error Starting Host Server: Please create a master key in the database or open the master key in the session before performing this operation. The key 'SCSSOKey' is not open. Please open the key before using it.;Error Invoking 'StartHostServer' : .Net SqlClient Data provider : Please create a master key in the database or open the master key in the session before performing this operation.The key 'SCSSOKey' is not open. Please open the key before using it.
Cause
The SCSSOKey was not rebuilt on the new SQL server instance after the K2 database move or restore.
Resolution
To resolve this issue, contact K2 support.