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Required Firewall authentication blocks online activation download

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We are running TMG 2010, all users are requried to authenticate with the server to get web access. Generally this is transparent as the TMG server with us integrated authentication with IE.


After installing Office 2010 plus from the portal, I got error 80190197 installing the online assistant. Relaxing the authentication requiment on this IP to authenticate fixed the problem.


Apart from turning off authentication for IPs workstations, is there another way?

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  • Hello

    the best way is to allow * with no autentifcation on your firewall

    this will help configuration tool, dirsync...

    Benoit HAMET

    Senior Solutions Architect

    MVP Office 365 - MCITP Office 365 - Microsoft Community Contributor

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