If you find the need to change the loaction of where WSUS stores the updates, you must be a member of the local Administrators group on the WSUS server. You also need to create the new path for local WSUS update storage prior to using WSUSutil.exe.
Open CMD and navigate to the directory that contains WSUSutil.exe.
Normaly found at – C:\Program Files\Update Services\Tools
Type the following, and then press ENTER
wsusutil.exe movecontent W:\WSUS\ w:\move.log
-skipcopy Indicates that only the server configuration should be changed, and that the content files should not be copied.