Private network (heartbeat) pinging one way

2016 clustered environment . Nodes A crashed after a Ms path so it was rebuilt from an image of node B. I did make sure my ip's are correct.  Now im not able to Ping the private Network. Able to Ping one way only. Can ping from no B to node a. Cannot ping from node a two node be. This is after a crash where I had to rebuild node a from an image of node be. I have reset all settings but this one still has me confused any ideas.
Pings x.x.0.2 on nobe b to node a x.x.0.3 works.
Not working
Ping x.x.0.3  to x.x.0.2
Even isolated ping by typing.
Ping X.x.0.3 -S x.x.0.2
Still not pinging private network (heartbeat)
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Martyn SpencerSoftware Developer / Linux System Administrator / Managing DirectorCommented:
If a request response occurs between two nodes, I would have to say that I would initially be looking for firewall issues allowing ICMP ping out only on node B and both in and out on node A. You could always use something like Wireshark to monitor traffic between the two machines. Also, if there are multiple network adapters, do you have a routing issue on node B?

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atlas_shudderedSr. Network EngineerCommented:
Are the hosts able to ping themselves?
nociSoftware EngineerCommented:
Is routing also setup correctly? (Def. GWY... etc, not just ip addresses).
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Martin_01Author Commented:
-Going to check fireball for the icmp.
- using a simple hub. And I changed with 2 different.types
- they are the only servers on the network besides 2 DCs
atlas_shudderedSr. Network EngineerCommented:
Again, are the hosts able to ping themselves?
Martin_01Author Commented:
thanks . It was a group policy that was blocking firewall
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