How to map network shares into drives to a Windows service permanently (PStools)?

How to map network shares into drives to a Windows service permanently (PStools)?

The following steps assume that you've unzipped Pstools to C:\TEMP and all the executables are in there.
  1. Launch a command prompt as Administrator.
  2. CD \TEMP
  3. psexec -i -s cmd.exe
    This launches a new command prompt window, and step 4 should be performed in that new window.
  4. net use Z: \\servername_OR_IP\sharedfolder /u:username  /persistent:yes
    Provide the credentials of a user having access to the shared folder.
If you need to remove it,
  1. Launch a command prompt as Administrator.
  2. CD \temp
  3. psexec -i -s cmd.exe
    This launches a new window. Step 4 should be entered in that window.
  4. net use Z: /delete