I've just sawn some issue with computer certificates located at the personal store of the machine - windows 7. We got new CA distributing certificates for workstation authentication. Some workstations got two certificates in the personal store of the machine: - One expired certificate from the “old” decommissioned CA - A new valid certificate from the “new” CA These machines present the expired certificate on the LAN interface for network access control …? Does anyone experience the same problem? Is there another work around then deleting manual the expired certs? br libbe

How do you know they are trying to use the old certificate? If there is issue on network accesses, there may be authentication issue, but not related to certificates. Please let us know more detain information of the issue.Please remember to click Mark as Answer on the post that helps you, and to click Unmark as Answer if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.

How do you know they are trying to use the old certificate? If there is issue on network accesses, there may be authentication issue, but not related to certificates. Please let us know more detain information of the issue.Please remember to click Mark as Answer on the post that helps you, and to click Unmark as Answer if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.