Outdated Drivers
Can cause hardware related Errors. Check your PC Drivers now.

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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