At the time of writing Internet Explorer 11 clients are not currently supported by Unified Access Gateway 2010 and Microsoft are yet to release an update for UAG server to do so. In the mean time, there is a workaround to access a UAG portal from Internet Explorer 11 by using compatibility view.
What do users see?
Mobile Access Portal
Your device does not meet access policy requirements for this site.
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They will see one of these two UAG 2010 screens:
Simple workaround change Required
Add the site to the ‘compatibility view’ sites list, available via the ‘cog’ icon:
Restart IE. You may need to clear your browser cache.
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