Looking for an easy way to optain ip addresses of virtual machines

Honored Experts (always a good way to start a question :-)  )

My company has some technicians traveling the world with their laptops.
On these laptops they have some virtual machines running which they need on all the locations.

They want to access the virtual machines with the Microsoft remote desktop Client (mstsc.exe).
The problem is, that we don't know the ip addresses of these virtual pc's since they change addresses acording to the current LAN.

Also we can not use their computer names cause these are not registered in the local DNS.

Can anyone give a good workaround?
OhmitAsked:
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helpfinderIT ConsultantCommented:
if the virtual machines are running then use Advanced IP scanner to scan the IP range (subnet) and check what IP addresses are online, for example
Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
Where do they access the IP Addresses from ?

If they use NAT Network, the (VM) IP Addresses will always be the same, internal NAT IP Addresses.

e.g. they will not use the different IP Addresses of the local LAN.
MarcusSjogrenCommented:
Set up the virtual machines with VPN-client to a central router and use split tunneling so that only traffic destined for your local network will be tunneled.

Easiest way and they will always have the same IP if you reserv them in the DHCP scope.
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OhmitAuthor Commented:
Andrew please explain?? :-)
Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
If you configure the networking in the VM, under the VMware Workstation Hypervisor as NAT, it will not matter what the IP Address of the VM is because it will get the IP Address from the internal DHCP server on the VMware Workstation.

Connect the Laptop to any LAN, and they will still have access to the internet using the VM.

The host will get the same IP Address, but that does not matter, because they can RDP from the Host to NATTed VMs being hosted.

If you are using Bridged Network VMs, they are getting an IP Address from the Local LAN - this is not required, and this is the issue...
OhmitAuthor Commented:
Sorry my fault - this is NOT WMware but Microsoft Hyper-V
Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
Client Hyper-V or Full Hyper-V ?
OhmitAuthor Commented:
Client hyper v
Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
Here is the solution you require...

http://thomasvochten.com/archive/2014/01/hyper-v-nat/

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