After the upgrade installation on the active node, you must start the Admin and Directory services.
To start the Admin and Directory services on the active node
Use the cluster administration tools to bring the Admin and Directory services resources online.
Wait for event 8576 to be logged in the Enterprise Vault event log:
The Directory service has completed the automatic upgrade of the EnterpriseVaultDirectory Database
Start the Admin service on all the Enterprise Vault servers in your environment, including servers in other Enterprise Vault sites that use the same Directory database.
If you stopped the IIS Admin service before the installation, start the IIS Admin service and its dependent services.
Use the cluster administration tools to bring the all the Enterprise Vault services online.
Test that the cluster failover works correctly for Enterprise Vault.