Forum Discussion
Strange exception from the Exchange Web Services "An internal server error occurred.
Recently we started to get strange exception on the EWS: SyncFolderItems call, this is the error : "An internal server error occurred. The operation failed., IdAndSession.MailboxSession: session is n...
Same issue here, it's already a week with this strange error, and Microsoft support doesn't provide any meaningful answers, only that they don't support 3'rd party applications and that it's a connectivity issue. Very non-professional.
It should be fixed now. {Version: 15.20.1446.019}
