Steps to remove expired domain certificate from domain level configuration

---

Problem:

Unable to remove expired domain certificate from domain configuration.

Solution:

With the help of following steps we can remove expired domain certificate and key entry from domain configuration.

1). Move old domain certificate from "domaincerts" directory to some other location.

    mv /opt/zimbra/conf/domaincerts/<OLD-CERT-FILES> /tmp/ 

2). Clear certificate and private key entries from domain level configuration.

    zmprov md DOMAIN.COM zimbraSSLCertificate "" zimbraSSLPrivateKey ""

3). On proxy server regenerate nginx configuration files to take changes.

    /opt/zimbra/libexec/zmproxyconfgen -v -D -s <Any mailbox server name>   
    OR 
    /opt/zimbra/libexec/zmproxyconfgen -v -D  
    OR 
    /opt/zimbra/libexec/zmproxyconfgen -v 

4). Restart proxy service on all proxy servers.

    zmproxyctl restart

Submitted by: Heera Singh Koranga