Error 1: Attempt to configure DHCP Server Failed. The DHCP Server service could not be started in a timely manner.
Error 2: Windows could not start the DHCP Server service on local Computer.
Error 50: The request is not supported.
Error occur while start the DHCP service.
RODC is read-only domain controller, unable to create DHCP Administrators group and DHCP Users group.
Make sure DHCP Administrators Group and DHCP Users Group is created in Active Directory.
Can create DHCP Administrators Group and DHCP Users Group manually or add DHCP role on one of a writable Domain Controller, group will create automatically.
1. If create DHCP Administrators Group and DHCP Users Group manually, create group as domian local and security type. Make group naming is correct.
2. If add DHCP role on writable DC, you can remove the DHCP role after the group are created, group will remain in active directory.