Windows DUN/RAS Error 601
 
"The port handle is invalid."
 
  
- Press the "More Info.."button under Diagnostics while the modem's COM port is selected.  If you are able to get Ati# responses then you may just have to reboot, take out a problematic init string, or type ATZ as the init.
 
  
- If this does not work, or is not the case try reinstalling the modem.
 
  
- Press Ctrl-Alt-Delete, if you see RNAAPP loaded, then go to the RNAAPP fix page.
 
  
- Try Uninstalling and reinstalling Dialup Networking and all of its associated components.
 
  
- It is possible that the modem is not functioning.  Refer to computer manufacturer.
 
 
 
  
See Also:
  
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This page was last modified on Saturday, 05-Feb-2011 15:11:54 EST.
  
 
  
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