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DHCP option 2 time offset

Posted on 2006-07-17
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Last Modified: 2012-06-27
I have a Windows 2003 SBS server running DHCP.  I want to enter a UTC offset for the NTP time.  DHCP option 2 is used for this function.  I located a technet article at  http://technet2.microsoft.com/WindowsServer/en/Library/a70f1bb7-d2d4-49f0-96d6-4b7414ecfaae1033.mspx?mfr=true regarding the DHCP server options.


It claims that the time offset field is a signed 32-bit integer in seconds with "Positive offset values indicate a subnet location east of the zero meridian. Negative offset values indicate a subnet location west of the zero meridian".

If I try to enter a negative integer in the data field, I get a pop up box saying "Enter a valid integer from 0 to 4294967295 or 0x0 to 0xfffffff".  This would indicate that it is looking for an unsigned integer as a signed 32 bit integer would range from -2147483648 to 2147483647.  What value should I enter in this field for an offset of -5 hours (EST) from zulu time?  Am I doing something wrong here?
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Question by:internetcreations
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by:Netman66
ID: 17126586
This document explains how to calculate negative numbers:

http://www.cisco.com/en/US/tech/tk86/tk804/technologies_tech_note09186a0080093d76.shtml






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Netman66 earned 250 total points
ID: 17126627
So, this should mean that your offset is :  0xFFFFB9B0

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by:internetcreations
ID: 17131591
Thank you,  this resolved the issue.
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