ZENworks 23.4 or higher
Situation
When the ZENworks database is moved from one MS SQL to another MS SQL Server involving a Named Instance( or Cluster), Configuring ZENworks Primary Server to point to the new MS SQL Server, it may throw 404 Error in ZCC.The current JDBC Url configuration may not allow a successful connection from the Primary Server to the ZENworks database on the new SQL Server.
See the documentation for the Steps on Configuring the ZENworks Server to Point to the New MS SQL Database
See the documentation for the Steps on Configuring the ZENworks Server to Point to the New MS SQL Database