Hello @User39866432
Thanks for your post.
This looks like you are trying to use the NT Domain synchronization type. If this is the case, this is very old technology and I would suggest not to use this.
Try checking the below KB article once:
https://kc.mcafee.com/corporate/index?page=content&id=KB89473
Please check whether computer browser service is running on the ePO server or not?
Do check if the DC computer browser service running ?
Please check the logs at ePO end.
I would suggest you to please refer the below Link for Active Directory Synchronization:
https://docs.mcafee.com/bundle/epolicy-orchestrator-5.10.0-product-guide/page/GUID-4799D38D-65F1-431...
System Tree>Group Details Tab>Edit>Active Directory and provide the information.


Also first please go to the registered server and configure the LDAP and then Active Directory.
You can also import them in text and deploy the agents.
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