Vista. Disabling tunmp service makes command "PSExec -i -s -d cmd " not worked.

I have disable tunmp service by registry HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\tunmp\Start=4

Then psexec (https://technet.microsoft.com/en-us/sysinternals/bb896649.aspx) does not work . It gives error:

Error establishing communication with PsExec service on WINVISTA

The network path was not found

As  I can see psexesvc service cannot create pipe , so then when psexec calls CreateFileW \\WINVISTA\pipe\PSEXESVC it returns ffffffff and getlasterror = 53.