Active Directory Federation Services – Certificate Error ‘CNG Key’
Jan12

Active Directory Federation Services – Certificate Error ‘CNG Key’

KB ID 0001129 Problem When installing the Active Directory Federation Services Role, you need to supply a certificate. I was running this up using a self signed wildcard certificate when this happened; The certificate with the specified thumbprint {thumbprint} has a Cryptographic Next Generation (CNG) private key. The certificates with the CNG private key are not supported. Use a certificate based on a key pair generated by a legacy...

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Event ID 6 and 13
Nov17

Event ID 6 and 13

KB ID 0000473  Problem Event ID 6 Source: Microsoft-Windows-CertificateServicesClient-AutoEnrollment Description: Automatic certificate enrollment for local system failed (0x800706ba) The RPC server is unavailable.   Event ID 13 Source: Microsoft-Windows-CertificateServicesClient-CertEnroll Description: Certificate enrollment for Local system failed to enroll for a DomainController certificate with request ID N/A from {hostname}{name...

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Exchange – ‘The certificate status could not be determined because the revocation check failed.’
Nov17

Exchange – ‘The certificate status could not be determined because the revocation check failed.’

KB ID 0000484  Problem Seen on Exchange (with or without service packs) when you access the internet through a proxy server. Note: Exchange does NOT take its proxy settings from Internet Explorer. Solution 1. To prove that the proxy is the problem drop to command line and issue the following command: netsh winhttp show proxy   If it says “Direct Access (no proxy server)” and you have a proxy server then that’s...

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