Error opening SERIAL.INI file in the RAS directory.
The server might be running out of memory, or the Serial.ini file might have been deleted or corrupted. Serial.ini is created during installation of Remote Access Service (RAS) and contains information about the communication ports and modems.
Close all applications not in use, and try again. If you continue to receive this message, try using the Network option in Control Panel to remove and reinstall RAS.