To resolve the communication issue while joining the Child domain controller
Root Cause:
Follow the below steps to resolve the communication issue between Active Directory and the Child Domain controller
- Turn off all the firewall profile
- Domain Profile
- Private Profile
- Public Profile
- Once all the profiles are turned off, check the communication with the AD and ADC again.
- Use the below command to check the communication
#nslookup example.com
Nslookup is the name of a program that lets users enter a host name and find out the corresponding IP address or domain name system (DNS) record
3. Then proceed with the configuration of the CDC
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