SCHANNEL Fatal Alert:80 in Event Viewer RRS feed

  • General discussion

  • See a post in 2012 that tweaks the registry to set the alert to O thus eliminating the alert but it doesn't explain why it happens or whats causing it. On my machine it didn't start til Windows did the last .NET update leading me to believe that this is the cause.


    Here’s workaround you can try:

    • Note: You’d better backup the registry before change it/
    • [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL]




              Do not log


              Log error messages


              Log warnings


              Log informational and success events

    There’s a similar website you can refer:


    Hope that helps.

       It would be nice to see what is actually causing the error rather than 'toggling it off'. Searching Google there seems to be no definitive answer, just lists of different type fatal errors

    Here's the post that I've found relating to this on TechNet:-

    A fatal alert was received from the remote endpoint. The TLS protocol defined fatal alert code is 80 

    BTW the Forum Selection doesn't list Windows7 and that is what I have. I choose one just to post

    Sunday, April 19, 2015 4:02 PM