GNS3 error "209-unable to start VM instance" General Issues:

If you got this error in gns3, there are following possible solutions for this error. Try these one by one until your problem is solved.
  • Normally gns3 show this error when the path or the name of the IOS is not correct, its means that there is not special character in path and IOS name.
  • Change the IOS path to program files\dynamips. 
  • Try to use only ascii characters in all your paths.
  • ·         Try other IOS(s) or platforms.
  • ·         Install GNS3 on default directory.

    Hope your problem should solved by using these tips.
    Thanks.
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