Certutil

The case of accidentally deleted user certificates

As part of joining PKI Solutions, several blog posts from my old site are re-posted here for visibility and thoroughness. Sometimes users accidentally delete their certificates from personal store. After that users are not able to perform certificate-based tasks, i.e. decrypt files or mail, sign data and authenticate. Some organizations implement Key Archival for certificate and private…

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‘The handle is invalid. 0x80070006 (WIN32: 6)’ when dumping CA database

As part of joining PKI Solutions, several blog posts from my old site are re-posted here for visibility and thoroughness. Issue Consider the following scenario: you are dumping CA database by using certutil, PowerShell or any other tool that utilizes ICertView2 interface and at some point you receive the following error Certutil: CertUtil: -view command FAILED: 0x80070006 (WIN32: 6) CertUtil:…

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Ignore Revocation Checking – The bane of my existence!

As students in my PKI training classes know, one of the areas I am a vocal about is the blind use of the CRLF_REVCHECK_IGNORE_OFFLINE setting in a PKI environment. I am so adamantly against the use of this setting, I personally refuse to ever explicitly share or type the syntax to enable this nasty beast.…

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