Question: What event ID tells you that your DHCP scope is full?

In the Event Log, you will see event IS 1020 from source DhcpServer. An example is below.

Event Type: Warning
Event Source: DhcpServer
Event Category: None
Event ID: 1020
Date: 27/12/2004
Time: 10:15:50
User: N/A
Computer: MyServer
Description: Scope, 192.168.16.0, is 100 percent full with only 0 IP addresses remaining.

The DHCP server also has a log file located at %systemroot%\DHCP. The problem is that this event will not be listed there. For a complete listing of all events for the DHCP Log, browse to: http://support.microsoft.com/kb/298367

Class: 6421A Configuring and Troubleshooting a Windows Server 2008 Network Infrastructure

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