Upgrading a secure cluster may require HAD restart

Last published : Oct 01, 2026
After upgrading a secure cluster, you may not be able to connect to the Cluster Manager Console (Java GUI) and may observe the following error in the VCS engine log: (849401, 1264386)
VCS ERROR V-16-1-50306 Failed to get credentials for VCS Engine(24582).
The following error is displayed if you run any VCS commands from the command line:
VCS ERROR V-16-1-53007 Error returned from engine:
HAD on this node not accepting clients.
To work around this upgrading a secure cluster issue
  1. Restart the High Availability Engine (HAD).
Type the following at the command prompt:
net stop had
net start had
  1. Verify that HAD is running.
Type the following at the command prompt:
hasys -state
The state should display as RUNNING.
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