403.7 and 500 Client Certificate Authentication Errors-IIS

During the course of my work i have observed that troubleshooting client certificate authentication seems bit challenging as there is not much tools to collect appropriate data for it. However i am correlating a list of check points which has always helped me. When you have enabled client certificate authentication either using AD client certificate…

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Keyset does not exist ( exception from HRESULT : 0x8009000D) or or 0x80090016 or 0x80090005 while changing Application Pool Identity in IIS

I have seen lots of people running into this specific issue in IIS 7+ and versions When we try to change the application pool identity of an application pool to a domain account we get the below error while committing the changes. There was an error while performing this operation. Details: Keyset does not exist…

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