@knitvijay_7631 said in During build getting error (unable to clone from github): Clone failed: unknown certificate check failure I did a quick search on this message, and there's lots of advice on how to get this working. The problem is coming from Git, and BuildMaster is just reporting the problem. I think your best bet will just be to use HTTPS instead of SSH. It's a lot easier to configure... BUt here's a post that seems to be quite popular that gives lots of tips and tricks on resolving this.. Example: https://stackoverflow.com/questions/3777075/ssl-certificate-rejected-trying-to-access-github-over-https-behind-firewall