Out of office error, exchange server
Issue : Error during setting OOF message: "Your automatic reply settings cannot be displayed because the server is currently unavailable. Try again later." Reason: EWS was not enabled for all users. Solution: Run the command: Get-Mailbox -ResultSize unlimited | Set-CasMailbox -EwsEnabled $true -EwsAllowOutlook $true Other things to try: -Recreated EWS URLs -Enabled OOF >Set-MailboxAutoReplyConfiguration <identity> -AutoReplyState Enabled - M ake sure EWS is enabled for organization and there is no policy or allow list Get-organizationconfig | fl *EWS* if there is policy run the command Set-OrganizationConfig -EwsApplicationAccessPolicy $null -EwsAllowList $null this will allow all apps to access EWS.