Hello Pradhap P,
Thank you for posting in Q&A forum.
If your workgroup server is unable to validate the Local Certificate Authority (CA) server certificate, there are several steps you can take to troubleshoot and resolve the issue:
1.Verify CA Certificate Installation:
Ensure that the CA certificate is installed in the correct certificate store on the workgroup server. The CA certificate should be in the "Trusted Root Certification Authorities" store.
2.Check CA Certificate Expiry:
Verify that the certificate from your CA has not expired. If it has, you will need to renew the certificate.
3.Time Synchronization:
Ensure that the workgroup server's date and time are synchronized with the CA server. Certificate validation can fail if there is a significant time difference.
4.Certificate Chain:
Make sure the entire certificate chain (including intermediate certificates, if any) is trusted and installed on the workgroup server.
5.CRL/OCSP:
Verify that the Certificate Revocation List (CRL) or Online Certificate Status Protocol (OCSP) settings are correctly configured and accessible from the workgroup server.
6.Network Connectivity:
Ensure that there are no network issues preventing the workgroup server from communicating with the CA server or the CRL/OCSP endpoints.
Steps to Install CA Certificate on Workgroup Server:
1.Export CA Certificate:
On the CA server, open the Certification Authority management console.
Right-click on the CA name, choose Properties, then go to the General tab.
Click on View Certificate, then go to the Details tab, and click Copy to File....
2.Import CA Certificate on Workgroup Server:
Copy the exported CA certificate file to the workgroup server.
Open mmc.exe on the workgroup server.
Add the Certificates snap-in for the Computer account.
Navigate to Trusted Root Certification Authorities > Certificates.
Right-click and choose All Tasks > Import....
Follow the wizard to import the CA certificate file.
3.Verify Installation:
After importing, ensure that the CA certificate appears in the Trusted Root Certification Authorities > Certificates store.
By following these steps, you should be able to resolve the issue with the workgroup server not validating the Local CA server certificate. If the problem persists, additional details about the specific error messages or logs would help in further troubleshooting.
I hope the information above is helpful.
If you have any questions or concerns, please feel free to let us know.
Best Regards,
Daisy Zhou
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