Allow ICMPv6 Ping Reply
Windows unfortunately blocks certain ICMPv6 packets by default. This becomes a nuisance when troubleshooting and testing IPv6 networking from a Windows system.
Step-by-step Instructions
Permit ICMPv6 in Windows 10
Open Start / Run then type: wf.msc
Press Enter or click OK to open a Microsoft Management Console with the Windows Defender Firewall with Advanced Security snap-in
From the Firewall settings select Inbound Rules and click New Rule… On the Rule Type page, select Custom and click Next >
Select All programs and click Next >
Change Protocol type to ICMPv6 then click Next >
Leave the Scope unchanged and click Next > (Default scope is Any IP address)
Ensure Allow the connection is selected then click Next >
Select your required profiles and click Next >
Enter a name, we went with Permit All ICMPv6 and click Finish
Further Resources
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