This is an updated version of the ISE compatability chart, and 2012 is still not listed. I plan to check with my Cisco SE as 1.2 that is coming out soon may have this support.
Yes, it appears that 1.1.3 does not support Server 2012 as of yet.External Identity Source OS/VersionMicrosoft Windows Active Directory 2003 R2 32-bit and 64-bitMicrosoft Windows Active Directory 2008 32-bit and 64-bitMicrosoft Windows Active Direct...