Here in this guide, we will talk about ways to fix the issue right after discussing the reasons for its occurrence.
What causes the system cannot contact a domain controller to service the authentication request?
There could be various reasons for active directory domain controllers cannot be contacted on Windows 10 or 11. Some of the popular ones mentioned are:
The domain controller is offline – You might get this error if the domain controller is unavailable or offline due to maintenance or power outage. Network issues – If the client device is not correctly configured to establish communication with a domain controller, or there are issues in the network, you might face the problem. Host server issues – A domain controller is a virtual machine; if there is an issue on the host server, you could get the error. Incorrect DNS configuration – If the DNS configuration of the client machine is incorrect, it won’t resolve the domain controller’s hostname to an IP address, hence the issue.
What can I do if the system cannot contact a domain controller to service the authentication request?
Before diving into the detailed troubleshooting, make sure you perform these general checks:
Remove the security program on your machine temporarily. Remove the VPN if installed.
1. Check Event logs
2. Check if the Domain controller is accessible
3. Check the Network Configuration settings
4. Add the Domain Controller again
So, these are methods that you can use to fix the system cannot contact a domain controller to service the authentication request error. Try these methods and let us know which worked for you in the comments below.
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