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Server 2012 R2 WDS (Windows Deployment Services) error 0xc00000001 when booting from PXE

Came acrosss a funny problem today, when trying to build old Core2 intel motherboards that had embedded Marwell Yukon network cards, when booting those from PXE and trying to load the image from a WDS server running Microsoft Windows 2012 R2 we were presented with this dreadful error message:

Status 0xc0000001

As it is typical wtih Microsoft, the give error offer to clues on the direction of what the problem really is

After much research, we find out that the issue was related to a setting in the WDS server running 2012 R2


Fix: Edit the TFTP properties of the WDS server

To fix this problem, open the properties of the WDS on the 2012 R2 server, then visit the TFTP tab and uncheck the option called "Enable Variable Windows Extension", this will prevent TFTP to negotiate block size settings with the computers, thus preventing this problem from occurring

Enable Variable Windows Extension



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Thanks to DXSdata for this great info:


17 September 2015