Users report that out-of-office (OOF) messages are sent unexpectedly after their mailboxes are moved to Microsoft Office 365 Dedicated/ITAR (vNext) from Exchange 2010.
This issue occurs because of changes in the mechanism that stores and controls the OOF settings between Exchange 2010 and Exchange 2013.
To resolve this issue immediately, have users toggle the automatic reply state settings from the client. Or, use Windows PowerShell to stop the OOF message from being sent.
Method 1: Users (by using Outlook)
- Select File, and then select Automatic Replies.
- Select Send automatic settings, and then select OK.
- Select Do not send automatic settings, and then select OK.
Method 2: Administrators (by using PowerShell)
- Connect to vNext by using Remote PowerShell.
- Run the following command to enable automatic replies:
Set-MailboxAutoReplyConfiguration alias -AutoReplyState Enabled
- Run the following command to disable automatic replies:
Set-MailboxAutoReplyConfiguration alias -AutoReplyState Disabled
Article ID: 3202542 - Last Review: Jan 13, 2017 - Revision: 9
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