if you have windows 2008 server, you may encounter a certificate error. this is because of a common “comodo” certificate relies on an expired certificate.
To solve the issue you need to :
- download new “comodo” certificates and install them
- delete the expired certificate
AAA Certificate Services – cross-certificates: (download all 4, see “Download Certificate: PEM” link on left)
- AAA Certificate Services – USERTrust RSA Certification Authority – https://crt.sh/?id=1282303295
- AAA Certificate Services – USERTrust ECC Certification Authority – https://crt.sh/?id=1282303296
- AAA Certificate Services – Comodo RSA Certification Authority – https://crt.sh/?id=2545965608
- AAA Certificate Services – Comodo ECC Certification Authority – https://crt.sh/?id=2545966120
what I did is (i mean, another way may also work):
- I typed “mmc” in the start menu.
- In the mmc console, I have added “Certificates” snap-in. and selected “local computer”.
- I clicked the “Trusted root certificate authorities” folder. and sorted by expiration date.
- For each of the 4 downloaded certificates:
- I right-clicked the “Trusted root certificate authorities” folder and selected from the menu: Tasks> Import.
- I deleted the “AddTrust External CA Root Certificate”
The solution is based on the following article:
https://support.sectigo.com/articles/Knowledge/Sectigo-AddTrust-External-CA-Root-Expiring-May-30-2020
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