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Web Access AD reauthentication

Apollo13
Hi,

i need some advise on my issue on my UTM. i have configured for a long time already AD Standard SSO. what my users is experiencing recently is they have been ask to reauthenticate and unable to authenticate so i reset the UTM and most users can authenticate. There has been no changes to AD server itself. CPU usage of the UTM is normal below 50%. my next move is to rejoin domain the UTM and resync all AD groups and users to fix the issue. 

Any idea why this issue is happening? any idea how to fix and prevent users from reauthentication? thanks for the advise


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  • 0
    Rejoining the domain might fix this.  Also, make certain that you're using Kerberos instead of NTLM as suggested in HTTP-S Proxy Access with AD-SSO.

    Also, you might want to consider #6 in Rulz.

    I don't think re-syncing will make any difference.

    Cheers - Bob
     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
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  • 0
    Rejoining the domain might fix this.  Also, make certain that you're using Kerberos instead of NTLM as suggested in HTTP-S Proxy Access with AD-SSO.

    Also, you might want to consider #6 in Rulz.

    I don't think re-syncing will make any difference.

    Cheers - Bob
     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
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