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Can't access Outlook.live.com. Secure Connection Failed.

canyonlight3142
canyonlight3142
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Firefox 53.0.3 (32bit), Windows 10. Just today I can't access Outlook email. I get a "Problem Loading Page", Secure Connection Failed, 

Error code: SEC_ERROR_OCSP_INVALID_SIGNING_CERT.

I am able to access Outlook using Chrome. This happens on multiple computers.

Thanks

Firefox 53.0.3 (32bit), Windows 10. Just today I can't access Outlook email. I get a "Problem Loading Page", Secure Connection Failed, Error code: SEC_ERROR_OCSP_INVALID_SIGNING_CERT. I am able to access Outlook using Chrome. This happens on multiple computers. Thanks

Réiteach roghnaithe

There seems to be something wrong on the Outlook servers. Hopefully they fix this quickly on the server. I've see a few reports similar to yours and I can confirm it myself.

This looks like a problem with OCSP stapling on the server because it works when I disable this feature in Firefox.

You can temporarily toggle this pref to false on the about:config page to see if disabling OCSP Stapling works for you. It is best to reset this pref via the right-click context menu to true once you are done with the this website.

  • security.ssl.enable_ocsp_stapling = false

You can open the about:config page via the location/address bar. You can accept the warning and click "I'll be careful" to continue.

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All Replies (2)

cor-el
cor-el
  • Moderator
  • Top 10 Contributor
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Réiteach Roghnaithe

There seems to be something wrong on the Outlook servers. Hopefully they fix this quickly on the server. I've see a few reports similar to yours and I can confirm it myself.

This looks like a problem with OCSP stapling on the server because it works when I disable this feature in Firefox.

You can temporarily toggle this pref to false on the about:config page to see if disabling OCSP Stapling works for you. It is best to reset this pref via the right-click context menu to true once you are done with the this website.

  • security.ssl.enable_ocsp_stapling = false

You can open the about:config page via the location/address bar. You can accept the warning and click "I'll be careful" to continue.

Athraithe ag cor-el ar

canyonlight3142
canyonlight3142 Úinéir na ceiste
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Thanks for your help. I contacted Microsoft ( what a waste of time ) & of course they said it is a Firefox problem.