Performance counter updating error exchange 2016

Kind regards, Erhard Hallo Erhard, zuerst einmal Danke für das sehr gute Monitoring Tool PRTG.

Please check if remote registry service is running on the target host.

If Ex Mon shows you high RPC requests from one user mailbox, open his mailbox and look for corruption in calendar.

Sort the calendar items by “list” and then by “size”.

A couple (2 or 3) times a day, a lot of Perfcounter IIS Application pool sensors give the message Down (Unable to connect the specified computer, or the computer is offline.

(Performance Counter error 0x800007D0)) At that moments the monitored servers are running normally without having issues.

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