note Divakar thanks for the help. now i can able to execute. but i face some issues. any idea. <code> C:\>psexec \\vm-ntdivakar2 cleartool mount -all </code> it returned error code. <code> \ui is already mounted. \wpg is already mounted. cleartool exited on vm-ntdivakar2 with error code 1. </code> So i got full pathname from the remote machine. <code> C:\>psexec \\vm-ntdivakar2 which cleartool PsExec v1.98 - Execute processes remotely Copyright (C) 2001-2010 Mark Russinovich Sysinternals - www.sysinternals.com C:\Program Files (x86)\Rational\ClearCase\Bin/cleartool.exe which exited on vm-ntdivakar2 with error code 0. </code> Then executed. but still it is returning error code. <code> C:\>psexec \\vm-ntdivakar2 "C:\Program Files (x86)\Rational\ClearCase\Bin/cleartool.exe" mount -all \ui is already mounted. \wpg is already mounted. C:\Program Files (x86)\Rational\ClearCase\Bin/cleartool.exe exited on vm-ntdivakar2 with error code 1. </code> 994251 994267