RSAT MMC CA “Install CA Certificate” Bug

I plan on releasing a 3 part series blog post on configuring a new CA infrastructure, in an existing one where an Enterprise root CA has already been configured. In my series I decided to utilize core servers, these provide an additional layer of issues as managing them is a little more difficult as it usual requires more cmd based knowledge or better yet PowerShell whenever there are such options available. Turns outs in this case even more so then ever.

I won’t go over too much details here, as I’ll save that for my series. Basically one step requires me to import the signed certificate into the Sub Enterprise CA, being core I have to use the RSAT MMC CA snap-in (funny enough even if you have desktop experience it’s the same tool and snap-in used).

What I discovered is when I’d use the RSAT tool on and remote client system loading my actual CA server when loading the nap-in, it would never actually load the input wizard.

I’d right click my CA, select the option to install a CA certificate:

Then it simply act as if it’s reloading the snap-in…

Then nothing… So I asked about it on Technet. Lucky for me Mark Cooper the Master PKI guy came to my rescue.

The solution: On the Sub CA

certutil -installcert <your certificate file name here>

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