The Link-Local Multicast Name Resolution (LLMNR) protocol is enabled by default. The active directory has a Group Policy Object (GPO) you can configure to prevent its domain workstations from using LLMNR.
To disable LLMNR through the GPO, perform the following steps:
- Open gpedit.msc file.
- Navigate to .
- Click Turn Off Multicast Name Resolution and set the value to Enabled.