BOOTMGR errors is if your PC is trying to boot from a drive that is not properly configured. In other words, it’s trying to boot from a non-bootable source. Cause: This error occurs when either of the following conditions is true: The Windows Boot Manager (Bootmgr) entry is not present in the Boot Configuration Data (BCD) store. The Boot\BCD file on the active partition is damaged or missing. It is most likely the captured wim image had a corrupt/missing Bootmgr record. Open WInPE and run the command below. bcdboot c:\windows /s c: Now you should recapture the Wim and test a new Task Sequence deployment. Bootrec.exe /RebuildBcd http://support.microsoft.com/kb/927391 Here is the content of that article: Resolution: Method 1: Repair the BCD store by using the Startup Repair option You can use the Startup Repair option in the Windows Recovery Environment to repair the BCD store. To do this, follow these steps: Put the Windows Vista installation disc in the disc drive, and t...