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Outlook & Domain Controller Issues


ishdone93's Avatar
ishdone93 ishdone93 is offline
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Join Date: Aug 2012
04-Aug-2012, 04:06 PM #1
Exclamation Outlook & Domain Controller Issues

I recently upgraded an entire network to connect to a virtual domain controller running within an XP Environment. The server operating system is Server 2003 SP2. Some of the computers can access the network; however some fail to connect to the domain controller. My network environment consists of the following:
  • Two Wireless Acces Points
  • A Patch Panel
  • Two Switches
  • Cat5e Ethernet Cables
  • Domain Controller
  • Router

In terms of services I have the following:
  • DHCP Service
  • DNS Service
  • Active Directory Service

Now, everything links to the main patch panel which is connected to my router. Now, the following diagnostics shows what procedure I took:

1) The system that contains the virtual server can connect to the internet which shows that there is connectivity to my patch panel from the machine
2) All other systems on the network can connect to the internet when logged on locally
3) The PC that can connect to the network is on the same switch as the system which contains the virtual server (both PC's are directly connected to the switch with another cable connected that connects the PC's straight to the patch panel).
4) I have sufficient bandwidth on the network to have all machine connected to the internet without any substantial dip in the networks performance
5) The DNS server that operates is on the server (as a primary DNS service) and another is programmed to my router
6) The DNS servers/services all work as they do resolve computer names internally as well as externally, however, when it comes to outlook is says that the exchange server is unavailable, however, when connecting to the same exchange account from out of the network it works fine. I could also ping the exchange server from within the network and receive a reply on all packets sent without any "timed out"s

Any ideas?
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