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My mvc application uses a certificate (stored in the Local Computer's 'Root Certification Authority' store), but cannot seem to access it while the web-server doesn't have any active users logged in [to the machine].

This causes a service failure when a user is logged in to the web application.

<clientCertificate storeLocation="LocalMachine" storeName="Root"  509FindType="FindBySubjectName" findValue="certificate name" />

I was worried it might be permissions or something, but in development the boxes tended to remain online and we never encountered the issue.

Any help is appreciated, thank-you so much!

alexander.teno
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1 Answers1

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I've discovered the solution to my problem. However, I'm not sure why it works. Through experimentation I was able to find that IIS would not attempt to read certs from any store location except for "LocalMachine" and any store name except for "Personal".

It took me a while to come to this conclusion and I tried most combinations of storeLocation and various storeNames.

If anybody knew why it is that the Root Certificate store is inaccessible to IIS, that would be interesting to learn.

Thanks!

alexander.teno
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