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Windows 7: Multiple Windows Server 2008 R2

03 Sep 2015   #21

SERVER 2008 R2

If i am not wrong this whole arrangement would lead to environment where the clients of both network 172 n 10 will communicate each other..!!!

In server B forward lookup zone you have created A record for single client...!!! what does that mean? will this single client be resolved... if yes, then to make other clients of network 10 resolve their names should i manually add it one by one...?

My System SpecsSystem Spec
04 Sep 2015   #22

Windows 7 Ultimate x64 SP1

Yes, I could ping client from ServerA for example. Communications both ways is possible.

You should already have a DNS zone for your domain (needed for Active Directory) so no need to manually enter any records (they should be dynamically updated since clients are authenticated and trusted). Well, open your DNS forward zone and check if you have records for your clients, if not perhaps dynamic update is not configured yet. We can look at that later. First thing first, make your clients on accessible.
My System SpecsSystem Spec
04 Sep 2015   #23

SERVER 2008 R2

Yes its working great job,,, thanks a lot for your continued assistance :)

Do you have any idea how to configure UAG " Unified Access Gateway "
I want to install it on server B in this Scenario being the client of Server A having IP assigned by DHCP of Server A.

SO that i can define and apply all the policies of UAG server (in this case it is server B) on the clients of Server A .... is it possible!!!
My System SpecsSystem Spec

04 Sep 2015   #24

Windows 7 Ultimate x64 SP1

Before anything else, you should really fix this dynamic IP on ServerB, change it to a static IP and exclude it from DHCP on ServerA You should also consider consolidating DHCP to one server instead of two. For example ServerB can serve both subnets (and even more with DHCP relaying, not needed on your case). You don't need 2 DHCP servers in your network.

Multiple Windows Server 2008 R2-07-dhcp-server-role.jpg

Multiple Windows Server 2008 R2-08-dhcp-subnets.jpg


Coming to UAG, let me tell you it is new for me, however, reading a bit on it:

Microsoft Forefront Unified Access Gateway (UAG), is a computer software solution
that provides secure remote access to corporate networks for remote employees
and business partners.
Do you really need this? Clients of ServerA are not considered remote; these are the computers in your company aren't they? What exactly are you trying to accomplish? Please list them as much as possible.

My System SpecsSystem Spec
06 Sep 2015   #25

SERVER 2008 R2

You are Right... server A clients are part of Local Lan ....

what i want is:
  • to introduce another server Like Server B with UAG services running on within Server A network of 172.
  • And to allow the clients of Server B to reach internet or access my public Network of 121 behind the private network of Server A ( Using UAG services.
My System SpecsSystem Spec
07 Sep 2015   #26

SERVER 2008 R2

I just left the UAG for a moment and moved to TMG......

I configured every thing.
I can access the web from TMG server but cant access from the clients
I even cant ping the tmg server from clients...
My System SpecsSystem Spec
07 Sep 2015   #27

Windows 7 Ultimate x64 SP1

I will have to check this later, I did install and configure ISA Server back in the days. They should be similar. However, when you install such a service, you should first configure everything to allow and work your way back.
My System SpecsSystem Spec
09 Sep 2015   #28

Windows 7 Ultimate x64 SP1

Ok, I got my virtual network upgraded to Active Directory and installed TMG on Server A.

Here are couple of things you should configure on TMG management console:
- Networking:
---- Networks: Make sure and networks are Internal
---- Routing: Static Route to (Create "Network Topology Route", Destination:, Netmask:, Gateway:, metric: 256 (default))
- Firewall Policy:
---- DNS: New Access Rule - dns - Allow - Add - Infrastructure - DNS - next - Networks (Internal) - Networks (External) - All Users - Finish
---- Ping: New Access Rule - ping - Allow - Add - Infrastructure - Ping - next - Networks (Internal) - Networks (Internal and External) - All Users - Finish
- Web Access Policy
---- HTTPS Inspection (I disabled this one because I didn't have time to get it to work)

Multiple Windows Server 2008 R2-tmg-firewall-policy-02.jpg

Multiple Windows Server 2008 R2-tmg-web-access-policy-03.jpg

Multiple Windows Server 2008 R2-tmg-client-access-04.jpg

Since only HTTP and HTTPS is allowed, FTP for example doesn't allow Internet access. Add FTP to firewall policy similar to dns and ping and it will be allowed once you Apply.

My System SpecsSystem Spec
10 Sep 2015   #29

SERVER 2008 R2

Without applying your configuration I did succeed to browse the internet from the network....
I did these things....

1. Assigned a Public static IP to the external interface that is 121.52.X.X
2. to the internal interface
3. Enabled proxy server settings in the web browser and assigned as a proxy server IP.

With these settings i can browse the internet from network clients

* Remember I have not defined the DNS protocol as mentioned by You ....

MY IPv4 statics as follows
  • for Networks
client side : IP
No gateway
  • On TMG server
External Lan : IP 121.52.X.X
Gateway 121.52.X.Y
Internal Lan : IP
No gateway

My System SpecsSystem Spec
11 Sep 2015   #30

Windows 7 Ultimate x64 SP1

Hmm, you seem to have messed up everything or something

On TMG server (ServerA? it doesn't mean much to install TMG on ServerB unless you wan't network to be treated differently but that is another topic) Internal LAN is Typo perhaps? It should have been (in my example), where did that subnet go?

Can you make another drawing of the network please? Include IP addresses, services and as much info as possible.
My System SpecsSystem Spec

 Multiple Windows Server 2008 R2

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