Exporting private keys from non-exportable certificates.

Hi,

I have an ADFS installed on a windows server 2012 machine.

The "token signing" certificate is non exportable. However, I require its private key. Is there a way to obtain the private key?

Please not the following:

1. Replacing the "token signing" certificate with a exportable one is not an option (It would require me to update all the Service Providers).

2. I am well aware that for SAML and WS-federated public key is sufficient. However, for my case I also require the private key.

Thanks in advance,

Tomer.