

If you are reading this article, your operating system or Usenet client software likely need to be updated or manually fixed. Our servers have up-to-date certificate chains, but some client systems are not prepared for this situation. On or after September 29, 2021, if you are suddenly encountering SSL/TLS connection errors, it is likely that the expiration of the DST Root CA X3 certificate is the cause.

Nzbget certificate has expired verification#
At around 10 am ET, the IdentTrust DST Root CA X3 certificate expired. While LetsEncrypt replaced this certificate years ago, some systems and software have not replaced the old certificate. If your connections began receiving with "TLS certificate verification failed" errors around this time please follow the steps below for your system. Users of numerous sites and services across the Internet encountered issues starting Thursday due to the expiration of a root certificate provided by Let's Encrypt, one of the largest providers of HTTPS certificates.
