As of 6-6-14, Citrix Netscaler 10.1 is not supported on Hyper-V 2012 R2. Hyper-V 2012 R2 will be supported in the next revision of Netscaler (version 10.5) hopefully due out end of Q2. NetScaler 10.5 was available for demo at Citrix Synergy so I anticipate it will be released shortly.
Citrix will support getting Netscaler 10.1 imported on Hyper-V 2012 (R1), however work arounds are needed to account for the changes made by Microsoft between 2008 R2 and 2012.
Issue: When a new user tries to logon to Citrix they receive the error: "Citrix XenApp license acquisition error from server: All licenses are currently in use. Please try again later."
Discovery: To figure out what's going on we need to check how many licenses are currently in use and confirm that Citrix is actually successfully pulling from your license pool.
1) Open a command prompt on your citrix license server, type cd\ to get to the root of the C drive, then paste the following: cd Read more [...]