Here's another cool tip from Frank Rojas.  If you're trying to PXE boot and getting "No Boot Action for Device (x) found" errors then you'll want to check this out:

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Issue: When attempting to PXE boot a PC using SCCM 2007 OSD, the PXE boot fails. Analyzing the SMSPXE.log while the PC tries to PXE boot shows the following error message as the PC attempts the PXE boot:

No Boot Action for Device (x) found

where x is a random number.

Cause: This issue can be caused by one of the following issues with SCCM2007:

1) An advertised Task Sequence to the PC has no Boot Image associated with it.

2) An advertised Task Sequence to the PC had a Boot Image associated with it, but the Boot Image originally associated with the Task Sequence has been removed or deleted.

Resolution: To fix the problem follow these steps:

1) Right click on the affected Task Sequence and choose Properties.

2) Click on the Advanced Tab.

3) Make sure that the option "Use a boot image:" is checked and that a Boot Image is selected.

Once you do this Operating System Deployment should work as expected.

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Thanks Frank!

J.C. Hornbeck | Manageability Knowledge Engineer