Sounds like the known issue:
https://techcommunity.microsoft.com/t5/exchange-team-blog/released-november-2021-exchange-server-security-updates/ba-p/2933169
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after security patch a subdomain was added in the url, but we were able to correct it.
Redirect for Outlook Web Access does not work (inside and outside the network)- when I accesses webmail I enter my credentials and after selecting login, I receive an error message stating "Something went wrong"
When am trying to access portal.office.com login is successful.
able to access portal.office.com -> Outlook https://outlook.office.com/mail/inbox, if am copying the URL to another browser, I can connect to the account.
Only when am trying to access webmail I enter my credentials and after selecting login, I receive an error message stating "Something went wrong".
in hybrid environment
most users are on on-prem
redirect happens on on-prem
adfs issue with mailboxes on 365
we get error something went wrong
On checking the event logs:
Event ID 342, AD FS, Token Validation failed
Event ID 1000, AD FS