MIDAS Knowledge Base
How to fix "500 select failed: An operation was attempted on something that is not a socket" errorsThis extremely rare error during install of a MIDAS room booking system may be caused by a number of issues within your Windows server environment. These include:
- A WinSock issue on your server.
- You're installing MIDAS in a Virtual Machine environment where networking/virtual networking has been incorrectly setup, or has been recently changed.
netsh winsock reset" command from a cmd prompt, and then restarting your server.
In the case of the second possible cause, please check your VM's networking configuration to ensure that the MIDAS installer can establish an external Internet connection.
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