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Kerberos is not supported as SSO method for registration to Exchange Server for Mobile Access Push Notifications
Mobile Access / SSL VPN
R77.10 (EOL), R77.20, R77.30 (EOL)
Gaia, SecurePlatform 2.6
Platform / Model
Kerberos is not supported as SSO method for registration to Exchange Server for Mobile Access Push Notifications.
This may result in authentication failure in case the Exchange Server supports only Kerberos authentication (via "Negotiate"), or if Kerberos Constrained Delegation is used (which requires Kerberos support).
Currently, Push Notifications do not support Kerberos authentication.
When choosing Kerberos, and specifically Kerberos Constrained Delegation, Push Notifications will not work.