Microsoft has released security updates for vulnerabilities found in:
Exchange Server 2013
Exchange Server 2016
Exchange Server 2019
These updates are available for the following specific...
Updated May 04, 2021
Version 8.0
Blog Post
Who has any updates how to fix free busy issue? Facing unauthenticated error on availability service and error 401 when looking into HttpProxy autodiscover logs.
On fiddler error 400 is mentioned.
Does the TLS 1.2 does anything? What is the impact ?
When mention that its not stable doest it fix it at all?
I saw it mentioned on other issue as a solution
https://tkolber.medium.com/exchange-2019-free-busy-issue-with-exchange-2013-2016-ca902ca543a8
But haven't rediscovered myself.
I ran some scripts like updatecas.ps1 it copied some owa files to current folder but it didnt do nothing to the availability service.
I have spent 8 hours today with microsoft with no progress so far...