AuthPackage (POX)
Exchange Server 2013
The AuthPackage element specifies the authentication scheme that is used when authenticating against the Exchange server that has the Mailbox server role installed.
Last modified: August 13, 2014
Applies to: Exchange Online | Exchange Server 2007 | Exchange Server 2010 | Exchange Server 2013 | Office 365
Response (POX)
Account (POX)
Protocol (POX)
AuthPackage (POX)
<AuthPackage>basic or kerb or kerbntlm or ntlm or certificate or negotiate or nego2</AuthPackage>
The AuthPackage element is only used when the Type (POX) element has a text value of EXCH or EXPR.
Version differences
Office 365, Exchange Online, and on-premises versions of Exchange starting with build 15.00.0995.014 return a value of "negotiate" only if the server is configured to use Negotiate authentication and the client includes a X-ClientCanHandle header that contains "Negotiate".
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