Connect to different vlans from VPN

I have a work network with multiple VLANs and when I connect through SSL VPN I can access a couple of them but I there is one I cannot access. One of the networks that I can access is for physical computers and the other is for virtual servers, the one that I cannot access has virtual computers running on it. Is it a DNS issue that is preventing me from accessing this other network?
CMHTechAsked:
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Ken BooneNetwork ConsultantCommented:
Well can you ping the virtual computers by IP address? If not we are not at the DNS level yet.  Could be several things happening here.

1)  Do the virtual computers have a firewall turned on?  If so might block ping packets from other networks.
2) Is the VPN configuration configured so that you can reach the virtual computers?
3) Is there an access-list in the network that is preventing the virtual computers from talking with the vpn client network?
4) Are there appropriate nat rules for the virtual computers to talk to the vpn client network?
5) Does the host SSL VPN end have access to the virtual computers?

Those questions are where I would start.
CMHTechAuthor Commented:
I cannot ping the virtual computers by IP address.
The firewall is turned off on the virtual computers.
When I am logged directly into the work network I have access to all of the VLans with no problems, its just when I am logged in through the VPN client (using a Fortigate firewall) that I have the issues.
I do not believe that NAT is being used to access any of these networks with this VPN.
Ken BooneNetwork ConsultantCommented:
So I would venture to say that most likely what you have is a vpn configuration issue in the Fortigate firewall.  I am not a fortigate person so I can't help you any further than that.  Good luck.

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