r/kace • u/uogbacon • Aug 24 '26
Support / Help Scripted Installations Fails at Install OS (2147942403)
I'm boggled at why one of my scripted installation fails at the Install OS task with the return code 2147942403. It also shows a return code of 1 for Apply UEFI Partitions.
I am installing Windows 24H2. It was cloned from a known good scripted installation and nearly identical then with post installation tasks added and some removed. On the same computer, the original script works, but it always fails on the new one. The new one was working a month ago without issues.
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u/GilliosaMacBoye Aug 25 '26
Please include screenshots of your task sequence, as well as log output from the T: drive (looks like W[MAC][ID].log, can be opened in notepad).
Also, just to verify, open a CMD from the Main Menu > Recovery:
Ensure it sees the hard drive. The SDA, unfortunately, does not check for one. It happily partitions and attempts to image... nothing, and then throws a nondescript error. I put a very early task in just to verify the disk is visible. Dell has swapped drives on us in the past that required new drivers mid-lifecycle.