My workers do not resolve DNS names

Issue

  • When I configured my LDAP/AD server on CJOC, it said that it is not possible to resolve the DNS name of the host.
  • When I access to a worker with dna connect worker-1 and try to resolve a DNS name with dig google.com it is not possible to get the IP of the host.

Environment

  • CloudBees Jenkins Enterprise (CJE)
  • Amazon Web Services (AWS)

Resolution

If you are using a custom VPC for your CJE cluster check that you have configured a DNS server on your DHCP, for more details take a look at the Amazon documentation Creating a DHCP Options Set

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