The below error may be received:
"The specified service does not exist as an installed service"
We may also see few of the Enterprise Vault Services missing from the Services console
A Dtrace on Admin Service will show the below snippet logged :-
EV:M {CTelemetryThread::VerifyIsDirectoryAvailable:#269} EV Directory service is not available, error: [The specified service does not exist as an installed service. (0x80070424)].
This situation may occur due to a potential corruption with registry or due an incomplete EV installation.
The following registry path can be compared with a working node for the missing services.
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\
Below steps can be followed on affected node to recreate the missing EV service entries.
1. Perform a clean Uninstall / Install of EV binaries on the affected node.
2. Reboot the affected node.
3.Follow the Enterprise Vault Installing and Configuring guide to add the affected node as failover node to existing cluster.