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HELP!!! I have some DC's and member servers whose certificate has expired!

Hi, I have some servers (DC's & member servers, which are all Server 2008 R2 - Standard or Enterprise) that their certificates have expired within the CA's Issued Certificates area.

I am unsure what ill-effects will be caused by this and how do I fix it?

I have done some Google searches, but I feel uneasy about this at the moment, so I need some more guidance on this topic.

When I try to renew the certificate for the member server, I receive an error saying it is invalid and I receive EVent App Log errors, ID: 22 & 16, reporting required certificate is not within its validity period when verifying against the current system clock or timestamp in the signed file.

Can anyone guide me with step-by-steps, links, etc?

Thanks in advance.
1 Solution
First of all, you need to find out which Server, if any is running certificate services. Best practices states that you should have a local server with Certificate Services Role installed as a Root Certificate Server on your LAN. It may be on your DC, a stand alone server etc. You can find out who issued the certificate by going to the mmc snapin-
Run certmgr.msc on your servers-now search through the list and find a servers cert-under the General Tab it will tell you what server issued the Cert. Once you find out where the Trusted Root Certificate is you can go to that server and follow the following step by step-

rsnellmanAuthor Commented:
OK, thanks for the link, but it doesn't mention anything about renewing a expired certificate.

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