We are running a Domain Controller/Global Catalog on Windows Server 2003 (SP2) and Exchange Server 2003 (SP2) on a Windows Server 2003 (SP2).
We have two subnets in our Network, 192.168.0.X and 192.168.6.x.
When the users (all running Windows XP SP2) from the subnet 192.168.6.x tries to send mail from there Outlook clients (2003 or 2007) they see a RPC pop-up at the system tray, which indicate that Outlook is trying to retrieve data from the Global Catalog server instead of our Exchange server. And it stays there for about a minute and then only user would be able to send any mail.
As far as I understood that the Outlook client is trying to look for GAL while sending sending mail to resolve the recipients name. But why is it taking too long to do that.
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