Help To Build New Infrastructure

15 pts.
Active Directory
ISA Server
Microsoft Exchange

we have in our group one HQ and 3 branches and we don,t have any infrastructure so ihave to start from zero and we have in each location ADSL internet line my questions :

1- i want to create Active directory in HQ what the best way to create child domain in branches or subdomain so all will be in same forest and same domain name.

2- can i connect all locations to gother for replication by Hamachi program (VPN) or i have to get vpn connection from ISP.

3- i want to create Exchange server in HQ and i want all staff to use this exchange for internal use and external , same question can i use hamachi program for the connection between sites and how to publish the exchange on the internet.

4-i want to install ISA server to control all users what i have to do in this scenario to be avilable in all sites and it,s ok to install isa with active directory in same server or it,s not recomanded.

Thanks in advance im sorry maybe it,s too much but i need any kind of help .


Software/Hardware used:
Exchange Server

Answer Wiki

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1. Use the same domain it is easier and requires less domain controllers.

2. You can use any VPN connection that can handle dynamic dial (such as Routing and Remote access which comes with Windows Server).

3. Yes you can use the same VPN tunnel between the sites for that. Our you can configure RPC over HTTP so that the outlook users in the remote site access the Exchange Server over the internet with the connection encrypted by SSL so that you aren’t wasting bandwidth over the VPN. Granted it’ll probably be the same network connection, but this way the VPN server isn’t doing all the encryption of the traffic, each users workstation would encrypt and decrypt there own network traffic.

4. Yes you can install ISA at each site to control the Internet Connect. You should put ISA on another server so that your domain controller isn’t connected to the public internet.

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  • Darkstar911
    1. I agree with MrDenny. try to keep it simple. 2 and 4. Hamachi does not provide networking for the between subnets.It creates and local subnet that the two endpoint computers shared. You can buy routers that can have mutliple vpn connections connecting from HQ to each location or you can have a mpls vpn solution from service providers. The option would be have ISA server on each location and create vpn tunnels between the sites. you can setup vpn and terminate vpn connections with ISA server. 3. Once you established the site to site vpn connections, each workstation should be able to connect directly to the exchange server over the vpn.
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