Health Service Store has reached its maximum...

Error
Source: Health Service ESE Store
Event ID: 623
Task Category: Transaction Manager

HealthService (5664) Health Service Store: The version store for this instance (0) has reached its maximum size of 60Mb. It is likely that a long-running transaction is preventing cleanup of the version store and causing it to build up in size. Updates will be rejected until the long-running transaction has been completely committed or rolled back.

Possible long-running transaction:

SessionId: 0x0000000000E020C0

Session-context: 0x00000000

Session-context ThreadId: 0x0000000000000F0C

Cleanup: 1
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I have installed Veeam nWorks for VMware, and on the 2 agents, used as collectors, this error came up.
Deleting the Health Service Store and restarting only helped for a short while.

Then - a little change in registry - and a restart of the service did the trick..
This is the registry updates:

1 - Update ‘Version Store Size’ (the Ops Mgr Agent queue/cache Db)
"HKLM\System\CurrentControlSet\Services\HealthService\Parameters\"Persistence Version Store Maximum".
Value should be 5120 (decimal) (equates to 80MB).

2 - Update value for ‘MaximumQueueSizeKb’ HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\HealthService\Parameters\Management Groups\
Value should be 102400 (decimal)

3 - Create DWORD value (if not exist) for State Queue Items
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\HealthService\Parameters Value should be 4096 (decimal)