Can't ping or RDP non domain computers.
I manage IT operations for a company with over 30 branches. Occasionally a computer will lose it trust relationship with the domain and I have to rejoin it. The problem is that I have to walk someone at the site through the process because I can't ping or RDP computers that are not on the domain. Even computer that work properly and are not on the domain can't be pinged or RDP.
As soon as I join the machine to the domain everything works great. What is preventing me from accessing non-domain computers?
As soon as I join the machine to the domain everything works great. What is preventing me from accessing non-domain computers?
Are you also pinging by name or by IP address? Is it possible the IP address is different from the associated name on your DNS server?
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When you have a computer set to allow remote connections to this computer enabled, the firewall exception to allow communication is automatically enabled. However, there are different types of networks: domain, public and private. When the setting Allow remote connections to this computer is enabled, the firewall exception for the domain network is enabled but not the exception for the Public network. If a machine isn't domain joined, then its network would be Public, therefore you'd need to perform the following to allow remote desktop:
1. Log on to the computer.
2. Open the Windows Firewall with Advanced Security MMC snap-in.
3. Navigate to Inbound Rules.
4. Right-click Remote Desktop, User Mode (TCP-In), where the profile is set to Public and select Enable Rule. Repeat for Remote Desktop, User Mode (UDP-In), where the profile is set to Public.
You should now be able to connect.