By a Boot manager repair or because Xp to Vista has been installed, an existing Windows XP installation will no longer be displayed in the boot manager that Vista automatically creates during installation.
Windows Vista starts normally.

 

For the configuration of the boot menu there is a command line program under Vista bcdedit.exe

 

 

 

 

With the command line tool "bcdedit.exe"The startup configuration data store can be changed. The startup configuration data store contains startup configuration parameters and controls how the operating system is started.
These parameters were previously in the file "Boot.ini""Bcdedit.exe"can be used to add, delete, edit and append entries in the startup configuration data store.

 

 

 

Note: Since this tip requires an intervention in the system, this tip requires administrator rights. BCDEdit is not allowed to run without administrator rights.

 

How do I manually add Windows XP to the Vista boot manager?

 

Start Vista, press Windows + R, give cmd and click on OK.

 

In the now started command prompt give the commands listed below, each followed by Enter .

1. Bcdedit / create {legacy} / d "Windows XP"
2. Bcdedit / set {legacy} device boot
3. Bcdedit / set {legacy} path \ ntldr
4. Bcdedit / displayorder {legacy} / addlast

After executing the commands, Windows XP should be available again in the boot manager and should be able to start.

 

 

 

 

 

Explanation of the commands:

• Bcdedit /create - Creates new entries in memory.
• Bcdedit /set - Sets the entry option values ​​in memory.
• Bcdedit /displayorder - Sets the order in which Boot Manager displays the Multiboot menu.

There are tons more options.
To display the possible command parameters, enter in the command prompt bcdedit.exe /? .

 

See also the tip:

 

Repair Vista boot manager

 

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This tip comes from www.win-tipps-tweaks.de
© Copyright Michael Hille

Warning:
Using Registry Editor or its tips incorrectly can cause serious system problems that may require you to reinstall your operating system. Tampering with the registry files and using the tips is at your own risk.