Jun 07 2023 04:11 AM
After migrate all mailbox from Exchange 2013 to 2019, Outlook client / mobile app working fine. However when open OWA web app then go Calendar, may be wait for few second or click on any event, it will reload to login page. I can't see any error from event log or inetpub\logs\LogFiles. If owa IP address point back to Exchange 2013, web app calendar work again.
I tired add HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa\MSV1_0\BackConnectionHostNames with exch2019.domain.local, domain.local and autodiscover.domain.local didn't help.
The exchange server only allow access internally or by vpn connection.
Any idea about this? Thanks
Jun 07 2023 04:56 AM
Hi @ihsmove
Did you changed the Virtual Directory to the new server.
I would highly recommend going through below article.
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Jun 07 2023 05:24 AM