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Firefox preventing Outlook from loading

  • 5 antwoorden
  • 5 hebben dit probleem
  • 2 weergaven
  • Laatste antwoord van Happy112

AmandaJR
AmandaJR
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As of today I cannot open Outlook through Firefox.

Message:

n error occurred during a connection to outlook.live.com. Invalid OCSP signing certificate in OCSP response. Error code: SEC_ERROR_OCSP_INVALID_SIGNING_CERT 

   The page you are trying to view cannot be shown because the authenticity of the received data could not be verified.
   Please contact the web site owners to inform them of this problem.
As of today I cannot open Outlook through Firefox. Message: n error occurred during a connection to outlook.live.com. Invalid OCSP signing certificate in OCSP response. Error code: SEC_ERROR_OCSP_INVALID_SIGNING_CERT The page you are trying to view cannot be shown because the authenticity of the received data could not be verified. Please contact the web site owners to inform them of this problem.

Gekozen oplossing

Hi

Unfortunately Microsoft has misconfigured a security feature (OCSP stapling) on their servers which got now cached in your local firefox installation.

In order to resolve that, please enter about:config into the Firefox address bar (confirm the info message in case it shows up) and search for the preference named security.ssl.enable_ocsp_stapling. Double-click it and change its value to false - this will degrade a security feature in Firefox, so please revisit it in a couple of days again after Microsoft has fixed their stuff and turn it back on again then.

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Paul
Paul
  • Top 25 Contributor
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Gekozen oplossing

Hi

Unfortunately Microsoft has misconfigured a security feature (OCSP stapling) on their servers which got now cached in your local firefox installation.

In order to resolve that, please enter about:config into the Firefox address bar (confirm the info message in case it shows up) and search for the preference named security.ssl.enable_ocsp_stapling. Double-click it and change its value to false - this will degrade a security feature in Firefox, so please revisit it in a couple of days again after Microsoft has fixed their stuff and turn it back on again then.

AmandaJR
AmandaJR Vraageigenaar
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Thanks Seburo that has worked and will change back in a couple of days as advised.

Happy112
Happy112
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AmandaJR said

Thanks Seburo that has worked and will change back in a couple of days as advised.

As Seburo's post has solved your problem : Would you be a dear and mark his answer as   'Chosen Solution'  ? Thank you in advance   !

AmandaJR
AmandaJR Vraageigenaar
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Happy112 said

AmandaJR said
Thanks Seburo that has worked and will change back in a couple of days as advised.

As Seburo's post has solved your problem : Would you be a dear and mark his answer as   'Chosen Solution'  ? Thank you in advance   !

I think it is already marked?

Happy112
Happy112
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AmandaJR said

I think it is already marked?

Apologies :   while I was posting my request   (you had marked it   'Helpful'   at the time),   you marked Seburo's answer   'Chosen Solution'  .......   (sorry   .... )