GSSAPI-based Kerberos authentication protocol is not offered to IMAP clients in Exchange Server 2013

Cause

This issue occurs because Internet Mail Access Protocol (IMAP) does not support the generic security services application programming interface (GSSAPI) as an authentication mechanism in a Microsoft Exchange Server 2013 environment.

Resolution

To resolve this issue, install Cumulative Update 9 for Exchange Server 2013.

Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
Properties

Article ID: 3006849 - Last Review: Jun 16, 2015 - Revision: 1

Microsoft Exchange Server 2013 Enterprise, Microsoft Exchange Server 2013 Standard Edition

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