Exchange 2019 health set errors

Copper Contributor

Hi!

I have a couple of monitoring probes that are unhealthy on Exchange 2019 latest CU.
Problem started after adding a new server.

 

IMAP.Protocol gives:  Exception: System.InvalidOperationException: No mailboxes were found to use in the DeepTest probe.

 

IMAP gives: Exception: System.InvalidOperationException: No mailboxes were found to use in the CTP probe

 

Activesync gives: Exception: System.ArgumentOutOfRangeException: Index was out of range. Must be non-negative and less than the size of the collection.
Parameter name: index

one machine it gives:

WARNING: No monitoring accounts found. Please verify if monitoring accounts exist and their passwords are set properly

 

I tried with recreating all monitoring mailboxes. But the error comes back.

IMAP seems to be working fine and also activesync.

 

Any ideas?

 

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