Runasbehaviour. Skype 4 fixes that issue in version 4, which is in beta, using the
For Skype 3.x, some of the
runasfunctionality does work, when the user specified is not part of an Administrators group, but rather that of Power Users.
More in-depth information here.
L., 04.04.2008. Update:
Skype 4.0 has now been released and it does indeed support the /secondary command when using the Runas command:
runas /user:Mart "\"C:\Program Files\Skype\Phone\Skype.exe\" /secondary"
Note that nested quotes (quotes inside quotes) must be escaped with a backslash, as seen above.