Hello Laximus Igorus,
Thank you for posting in Microsoft Community forum.
It sounds like you've already ruled out network hardware issues since the access point (AP) and wired connection are part of the same network infrastructure. Given this, the issue may be related to how your WiFi network is configured or how the Domain Controller (DC) and Active Directory (AD) are handling wireless connections.
Here are a few areas to investigate:
1.DNS Configuration: Ensure that devices connected via WiFi are using the correct DNS servers, typically your DC's IP address. Misconfigured DNS settings can prevent the device from locating the domain controller.
2.Network Policies: Check if there are any specific Group Policies or Network Access Control (NAC) policies that apply differently to WiFi connections. These might be restricting domain join operations.
3.Firewall Rules: Ensure that there are no firewall rules blocking necessary ports for domain operations on the WiFi network.
Important ports include:
- TCP/UDP 88 (Kerberos)
- TCP/UDP 135 (RPC)
- TCP 139, 445 (SMB)
- UDP 389, 636 (LDAP)
- UDP 53 (DNS)
4.Security Settings: Check the security settings on your WiFi network. Sometimes, enhanced security protocols (e.g., WPA3-Enterprise) might inadvertently block necessary domain communication.
5.DHCP Scope: Make sure that the WiFi network is on the same subnet as the LAN or that the DHCP server is correctly configured to provide the necessary options (e.g., DNS server, domain name).
6.Wireless Signal Strength: Verify that the signal strength and quality are adequate. Poor signal strength can sometimes cause intermittent connectivity issues that complicate domain join processes.
7.Review Event Logs: Check the event logs on the computer that's failing to join the domain for any specific errors or warnings that could provide more insight into the issue.
If you cover these points and are still facing issues, it might be worth testing with a different Device or WiFi setup to isolate the problem further.
Meanwhile, based on "Automatic registration failed. Failed to lookup the registration service information from Active Directory. ", how did you join device to domain?
What error message did you receive when you cannot join device to domain?
I hope the information above is helpful.
If you have any question or concern, please feel free to let us know.
Best Regards,
Daisy Zhou