Hi Have you tried to test from Microsoft Remote Connectivity Analyzer<https://testconnectivity.microsoft.com/tests/exchange>
Here you can see what error there is in the connection. Maybe that could be usable information for debugging Regards Henning Fra: Илья Шипицин <[email protected]> Sendt: 13. december 2023 22:37 Til: Dario Girella <[email protected]> Cc: HAProxy <[email protected]> Emne: Re: exchange services It would be interesting to bisect on 2.9 On Wed, Dec 13, 2023, 20:24 Dario Girella <[email protected]<mailto:[email protected]>> wrote: Hello, i just upgrade my haproxy version from 2.8.5 to 2.9, all seems fine but i receive error from outlook trying to configure mailbox by autodiscover. Also problem to open owa. Something change or to check? I revert back to 2.8.5 and all is fine. Regards Dario
