HOW TO REMOVE CITRIX FORCEFULLY FROM SERVER
Command to remove Citrix Metaframe is given below:
Z:\Citrix PS4 for windows 2003>msiexec /x mps.msi /L*v c:\output.log CTX_MF_FORCE_SUBSYSTEM_UNINSTALL=Yes
(Note:- Z Drive letter is the drive where mps.msi is copied)