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This often happens and it kind of solves itself after a while or after reboots. But I would like to stop relying on luck and understand why one server can ping the other but not the other way around.

Notice that neither pings were working before one of them started working

enter image description here

Edit: Just to add more information, the server that is not able to ping the other is a AD controller server. The other one is a regular windows server 2019 without anything on it.

RollRoll
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1 Answers1

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The Windows Server 2019 might block inbound pings:

  • Run : Windows Defender Firewall with Advanced Security
  • On the left pane click Inbound Rules
  • Click the Name column to sort the rules for easier access
  • Find the two rules titled "File and Printer Sharing (Echo Request - ICMPv4-In)", right-click each rule and choose "Enable Rule".

This should enable ping to this server.

harrymc
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