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Jan 15, 2009

Replacing a cert without losing existing cert in IIS

http://support.microsoft.com/kb/295281

Recently I ran into a problem when I tried to generate a CSR. The current cert in use was from VeriSign and we wanted to switch to thawte. The problem was that the option "Replace current cert" was grayed out because existing cert was still valid. The above KB is the perfect workaround.