How do I open an interactive application, such as cmd.exe or Windows Explorer, running as NETWORK SERVICE? There are ways to do it for the SYSTEM account, but NETWORK SERVIC
Have you tried PsExec, a couple of interesting links with more information:
Here is how you would use PsExec to run cmd.exe under "NETWORK SERVICE" user context:
psexec -i -u "nt authority\network service" cmd.exe