Acme process for "vxxxx4.x-vpn.xx" failed to renew the Let's Encrypt certificate with 10.2.2.1
This issue started post upgrade to 10.2.2.1, Manual or auto-renewal was not possible.
Acme process for vpnxxx4.z-vpn.xx failed to renew the Let's Encrypt certificate with 10.2.2.1, hence the customer was unable to renew the certificate.
It is caused by false positive. This issue will be fixed in the upcoming SMA patch versoin-10.2.2.2, and this is expected to be released soon.
Please contact Technical Support if you're looking for a private build for a quicker resolution.