Information:
Using the Citrix Presentation Server Console do the following
1) Expand Servers
a. Click on the appropriate server
b. On the right pane select Information from the Drop down directly under the server name.
c. In the Information pane on the left click Expand to see the Product Version, Build Number, Installation Date, and any Service Packs installed.
Using the Citrix Connection Configuration Utility (mfcfg.exe)
1) Click Help…About Citrix Connection Configuration.
a. The version and build numbers of Windows and Presentation Server are shown.
Using the Registry Editor
1) Navigate to the following key
a. HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Citrix
2) Use the following values to identifying the version of Presentation Server installed.
a. ProductBuild
b. ProductName
c. ProductVersionNum