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Alex Rivera
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I have a given certificate installed on my server. That certificate has valid dates, and seems perfectly valid in the Windows certificates MMC snap-in. However, when I try to read the certificate, in order to use it in an HttpRequest, I can't find it. Here is the code used: X509Store store = new X509Store(StoreName.Root, StoreLocation.LocalMachine); store.Open(OpenFlags.ReadOnly); X509Certificate2Collection col = store.Certificates.Find(X509FindType.FindBySerialNumber, "xxx", true); xxx is the serial number; the argument true means "only valid certificates". The returned collection is empty. The strange thing is that if I pass false , indicating invalid certificates are acceptable, the collection contains one element—the certificate with the specified serial number. In conclusion: the certificate appears valid, but the Find method treats it as invalid! Why?
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