One of my clients has a few employees who are getting an error message about IP address conflicts when they try to connect to the wireless network. What could be causing this problem?

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The most common reason for this with notebooks is that they have been in sleep mode for too long, and their DHCP-assigned IP addresses have been re-assigned to other computers while they were sleeping. You can either use static addressing, or set a longer timeout value in your DHCP server.

This was first published in October 2007