SMTP test email doesn't work

I am trying to send a test email from the Message System SMTP configuration, and it says server not found. Of course this email server is working. Any ideas? The detailed error is shown below (from the Log File):

Description:
Could not send server control command.

Date: 2012-09-06 11:38:52
Module: ConisioAdmin.exe
Function: CFVServer::mhSendSCCmd
Error code: E_EDM_SERVER_NOT_FOUND

Error code general description:
The server was not found.

SolidworksSolidworks Pdm enterprise Pdm