For dial on demand routers you need to write a small batch file and schedule it to run at a specific time.
The behavior you are now seeing is caused by the way you have set up DNS. For example, in IMC there is the option "Use DNS" or "Forward all messages to host". If you have configured it with the "Use DNS" option, Exchange is acting if it is always online and connected to the ISP. It will forward all messages directly.
Another example: when starting up one of your Outlook clients, the Outlook client sends a DNS query to find the Exchange Server. If it can't find the Exchange Server...here you go...reconnect to the ISP.
We just installed ISDN on a dial on demand router. Exchange now dials
every 4 minutes 24 hours a day. How can I restrict the frequency of
connections and reduce the timeout. The options are greyed out in the
IMS properties connections tab.
Please help as this is going to cost us a fortune.
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