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nick2253Flag for United States of America

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Server 2012 RDWeb "Secure Connection Failed" with Firefox

I'm having a problem accessing RD Web (Server 2012 R2) on Firefox.  I get the following error:

Secure Connection Failed

The connection to the server was reset while the page was loading.
*The page you are trying to view cannot be shown because the authenticity of the received data could not be verified.
*Please contact the website owners to inform them of this problem.
I am able to access the page no problem with both IE and Chrome.  I have tried other computers, and they exhibit the same behavior:  IE and Chrome works, Firefox, no

This is a fairly new install of RDS.  I believe that my problem started after I installed certificates for RDS so I could subscribe to the RemoteApps (this is now working beautifully).  All I know is I was able to use Firefox early this morning, I installed the certificates mid morning, and now, late afternoon, I am unable to use Firefox.
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Ayman Bakr
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This seems to be an issue with the FireFox browser as it seeks a more secure test for certificates with 1024 bit encryption. I am not sure how you have setup your certificates, but I was browsing the net when I stumbled upon an issue almost similar to yours (please navigate to the answers section):

http://superuser.com/questions/826232/how-to-bypass-the-secure-connection-failed-warning-in-firefox-33
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ASKER

I was thinking it might be something like that.  However, I've checked the certificate, and I don't imagine my problem is exactly that.

In the certificate template I'm using, my minimum key size is 2048, and the only provider checked is Microsoft RSA.  When I look at the certificate after I create it, everything looks good:  it's a sha512RSA, 2048bit certificate.

Based on the link, I went ahead and did a fresh install of Firefox 32, and went to my RD Web page.  Now, I'm getting a different error:

The connection was reset

The connection to the server was reset while the page was loading.

*The site could be temporarily unavailable or too busy. Try again in a few moments.
*If you are unable to load any pages, check your computer's network connection.
*If your computer or network is protected by a firewall or proxy, make sure that Firefox is permitted to access the Web.
I know I can access the server (so it's not a firewall issue), because I can get to other, non-HTTPS pages.

From some research I've done, it looks like sha512 might be to blame for this.  How can I specify sha256 when I create my certificate?  Do I need to modify something in either the certificate template, or is it when I make the certificate request?

Thanks!
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nick2253
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