Administrators can set user’s OOO notifications directly from EMS by using the following command
Set-MailboxAutoReplyConfiguration <alias> -AutoReplyState enabled -ExternalAudience all -InternalMessage <Message to internal senders> -ExternalMessage <Message to external senders>
Mark is an Independent Microsoft Teams Consultant with over 15 years experience in Microsoft Technology. Mark is the founder of Commsverse, a dedicated Microsoft Teams conference and former MVP. You can follow him on twitter @UnifiedVale