2019 ADBA and Windows 7

Copper Contributor
I have Server 2019 with ADBA/KMS on it. I'm able to activate Win 10 and 2019, but not able to activate Win 7.
On 2019, when I attempt to activate/volume activate Win 7 I get, "The Software Licensing Service reported that the product could not be activated. No Key Management Service (KMS) could be contacted. Please see the Application Event Log for additional details."
In the log it's showing 0xC004F074.
I've checked the firewalls and have even disabled them, but still getting the same error. Is there something else I need to look at?
2 Replies
I did notice this on the test computer. I guess it IS activating with the new server, even though I still get those issues on new server. So the client is good, even though the server is having an issue?

Looks right. Good for 169 days and will try to renew every 10080 minutes (7 days)