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I can net use \\COMPUTERNAME\IPC$ /user:COMPUTERNAME\ADMIN ACCOUNT successfully to a Windows 7 machine where the Window Manager has crashed, but unfortunatley get a System error 5 has occurred & Access is denied when using psexec \\COMPUTERNAME -u ADMIN ACCOUNT -c cmd.

I presume this is because I hadn't configured Windows Firewall to allow this sort of access (I forget what rule needs to be adjusted), right?

Is there any other vector I could explore to just try and run net start uxsms (From How to re-enable aero effects in Windows 7 after it has crashed?) on the remote PC?

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user66001
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PSexec use SMB protocol, so you should try enable rule for TCP 445 port in firewall. Also i think psexec require write access to ADMIN$ share on target computer.

ko4evneg
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  • Would this be TCP 445 in firewall of machine I am using to try and connect to target, or both (Noting that I cannot access anything on the target PC with local peripherals)? Also, `net use \\COMPUTERNAME\ADMIN$ /user:COMPUTERNAME\ADMIN ACCOUNT` also gives me `System error 5 has occurred` & `Access is denied` – user66001 Oct 09 '13 at 05:59
  • You should open 445 TCP inbound port on destination machine. Outbound ports are open in windows firewall by default. Admin$ share is actualy just `C:\windows` folder. Try also supply `PSExec -p` parameter with password to admin account. – ko4evneg Oct 09 '13 at 11:58
  • But I cannot access the GUI on the destionation machine... Also, `psexec` prompts for password if not supplied explictly as an argument. – user66001 Oct 10 '13 at 04:53
  • If account you use for connecting has administative rights on the destination machine, try `-s` argument. It will run psexec with system privileges. – ko4evneg Oct 10 '13 at 07:48