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PXE booting fails because of DHCP Option 043

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i need some help :).


i have setup sccm 2007 sp2 r2 and want to deploy windows 7. Ive created my own network segment for testing the scenario. Ive setDHCP Server Option 066 and Option 067. PXE booting and deploying windows 7 and some software products works fine.


Now i want to do some test in our production environment.

On our DHCP Server ive set Option 066 and Option 067 (boot\x64\wdsnbp.com) but we have also set Option 043 Vendor-specific Information to a sdlp Server from Siemens (its a communication Server for our Siemens voip telephones)...and its needed in all network segments - so, it is set as Serveroption.


If i try to PXE boot a client in our production environment, the client get an IP from the dhcp and then it hangs with the message " MTFTP..", and it's waiting for christmas.


I have read, that DHCP Option 043 is the problem....but we need this option for the voip telephones.


Can someone help me out?




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