"Sharing invitation couldn’t be sent" error in Outlook Web App when Exchange 2013 user tries to grant Delegate permissions to a security group

An Exchange Server 2013 user tries to grant Delegate permissions through Calendar sharing to a security group by using Outlook Web App. However, the user receives the following error message:
The sharing invitation couldn’t be sent to the following recipients:Groupalias@contoso.com. Please try again later.
The behavior is by design in Exchange 2013.
To work around this issue, use one of the following methods:


Article ID: 3188800 - Last Review: 10/27/2016 01:54:00 - Revision: 3.0

Microsoft Exchange Server 2013 Standard, Microsoft Exchange Server 2013 Enterprise

  • kbsurveynew KB3188800