Policy Module
Request extension processing in Active Directory Certification Authority
Hello S-1-1-0, Crypt32 is on air! Today I want to explain how ADCS Certification Authority processes extensions from incoming requests and certificate templates. Every X.509 V3 certificate contains certificate extensions to include extra information about certificate owner, issuer, intended usages, limitations/constraints. CA utilize multiple sources to generate extension list to be included in signed certificate,…
Read MoreCreating a NDES Policy Module – A Programmers Guide
Microsoft introduced a great security improvement in Windows Server 2012 R2 to alter the standard Network Device Enrollment Service (NDES) security process. If you are familiar with the whitepaper I wrote for Microsoft (Securing and Hardening NDES) you’ll know I wrote about the disadvantages of using NDES for BYOD and Internet accessible enrollment solutions. The…
Read MoreThe Requested Template is not Supported by this CA (Error 0x80094800)
Today I was working with a customer and they mentioned they had just been contacted about an enrollment problem on one of their CAs. They had recently added a template to one of their Windows Server 2012 R2 CAs. The template had been in use for a long time and is present on their other…
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