JSI Tip 0832. DHCP event errors caused by leading zero in IP Address.

If the Service Control Manager reports "at least one service or driver failed to start" and the event viewer contains any of the following:

   Event 1007,   Source: DHCPSERVER   Description: The DHCP Server failed to initialize winsock data. The                following error occurred.   Data: 002741 (WORD)  or 0000:   41 27 00 00     A' . .   (Byte)   Event 1008:   Source: DHCPSERVER   Description: The DHCP Server is shutting down due to the following                error:   Data: 002741 (Word) or 0000:   41 27 00 00     A' . .   (Byte)   Event 7023   Source: SCM   Description: The Microsoft DHCP Server terminated with the following                error: (blank)   Data: (none)

or when starting DHCP in Control Panel / Services, you get:

   Can't start the Microsoft DHCP Server Service on \.   Error 2140: An Internal Windows NT Error Occurred.

or the Net Start command reports:

   System error 10049 has occurred.   The system cannot find message for message number 0x2741.   The message file for BASE.

you may have leaing zeros in one or more IP address octects.

While you can't do this with the GUI, you can with an unattended install or registry edit.

An example of this no-no is 023.045.123.001 which should be specified as 23.45.123.1