Good!Always happy to help someone 

I guess you've add the inspect icmp to the global policy and it works now ?

Try add to your policy-map an inspect icmp.policy-map global_policy class inspection_default   inspect icmp Note:my messages are beeing placed between old messages i dont know why

If he does a packet-tracer on the ASA from the vpn pool to an inside address, would this be revelant ?Or maybe a capture packet?

Are 192.168.10.9 and .10 simple workstations or windows servers?If it is windows server, especially 2012, you have a lot of chance that their firewall block incoming icmp.Try disable their firewall to see if there is a change.And for me too, the ASA ...