RPC uses port 135. This port can be blocked on the computer. So you have to add an exception in the Windows firewall.
Create a GPO to open this port number:
- Open the Group Policy Object Editor
- Go to Computer Configuration,
- Administrative Templates
- Network
- Network Connections
- Windows Firewall
- Domain Profile.
- Windows Firewall: Allow remote administration exception.
- click Enabled.
Note: You can filter by IP source for incoming request/message.
When it’s done, refresh policies on computer with gpupdate /force and retry.
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