A. If you have an unattended install file with information such as
You will receive an error dialog during the installation:
"The IPAddress key has an invalid IP address. Please correct the problem after the property sheet is displayed"
If you then click OK the installation will continue.
The bug only applies if there is a 0 in the second or third octet, e.g. xxx.here.orhere.xxx.
Service Pack 2 or later corrected this problem and so to avoid the message replace the tcpcfg.dl_ on your distribution server (the i386 directory) with the tcpcfg.dll from the latest service pack.