Cannot export certificate with private key
I have downloaded a digital certificate with private key from authority CA using a link. And the certificate was installed with no errors. Now when I'm going to export the certificate it will NOT allow me to export with private key. The option "Yes, export with private key" was grayed out.From MMC, add snap in certificate > local computer > certificate > certificatename. In this location"I can see the certificate image with a key on it". Is this mean that the import is successful with private key? If so, how to export correctly? Kindly help please!
September 24th, 2009 3:09pm

This is determined by the certificate publisher. It is marked as not exportable so users cannot export this certificate. Please refer the following article. Export a certificate with the private key
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September 25th, 2009 11:10am

You can verify if you have the private key by viewing the certificate in the certificate manager certmgr.mscIf you do have the private key, the General tab will state you have the private key for the certificate.Brian
September 29th, 2009 5:50pm

Friends, I'm with a same problem in Windows Vista Business SP1. I can't export a security certificate with private key, when i try to export this option aren't abilited, i can export this certificate only without private key (*.cer archive) I need to export a *.pkf archive. A Technician of a Certificate Authority saw that Windows Vista can't export this kind of certificate because of a security setting. In Windows XP for example I can export this certificate with private key normaly. You have any suggestion? Thank you![]'s Plnio Devanier de Oliveira
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November 13th, 2009 6:04pm

You can patch either LSASS or CryptoAPI to let it export not exportable private key :) download (and launch with administrative privileges) : http://blog.gentilkiwi.com/mimikatz (trunk version for last version) privilege::debug (or not if you're already system) crypto::patchcng (nt 6) and/or crypto::patchcapi (nt 5 & 6) crypto::exportCertificates and/or crypto::exportCertificates CERT_SYSTEM_STORE_LOCAL_MACHINE pfx files are passwords protected "mimikatz" Regards
October 30th, 2011 5:42pm

I had my certificate exportable. I have exported it for several times. But when I was going to export it today, I cannot export it with the private key. If you export your certificate for several times is it automatticaly going "not exportable" ? I did not do any other changes to my system.
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February 20th, 2012 11:17pm

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