@Robert_Blissitt1930 I did comb through the Feb 2023 blog post, but
didn't see much pertaining to MSExchangeMailboxAssistants. I can confirm
that the service is crashing and recovering frequently (every few
minutes at best). I'll review the blog post at your suggestion to make
sure I didn't miss any...
@Mr_Chris You'll find lots of comments about Event ID 4999 in the
February 2023 SU if you visit that blog post. I don't believe these are
harmful and I have seen them quite frequently after both the February
and March SUs but Exchange continues to perform normally.
I'm seeing the following behavior after applying the March 2023 SU to
Exchange 2019 4999 errors relating to MSExchangeMailboxAssistantsWatson
report about to be sent for process id: 36208, with parameters: E12IIS,
c-RTL-AMD64, 15.02.1118.026, MSExchangeMailboxAssistants,
M.E.Query.Core,
M.E.Q.C.D.L....
@BrendanToland, the report will release in private preview around mid to
end of April. May 23 is when the first wave of affected customers will
see the GA version of the report. June is when throttling begins for the
first wave, and July is when blocking begins. On the day blocking begins
for the cu...
@R_Cay Please DM me through Tech Community platform. I replied to you
here in this blog comments that all you needed to do is update Outlook,
because your original question (which you can read here) implied to me
that you were not an Admin running Exchange server and were wondering
about an Outlook ...
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