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1.1j (Apr 25, 2012)
I have used ERUNT since many years, mainly with Windows XP. It is definitely one of the best tools you can find! Now I am using Windows 7 and am a bit concerned that it could cause some complications. The reason is the statement in the FAQ on the website: “Also, a problem has been discovered which on many systems causes ERDNT and NTREGOPT to display a ‘RegSaveKey: 3’ error when optimizing / restoring the BCD00000000 hive. The cause is that after a clean install of Windows 7, the BCD part of the registry which contains Windows’ boot configuration data, resides on a hidden system partition with no drive letter assigned in Explorer. You can simply ignore this error and continue, or as a workaround, open Disk Managemant in Control Panel and right-click on the partition displayed as ‘System Reserved’ to assign a drive letter.”
I only find two “Healthy Primary Partitions” (one big and one small) that have no drive letters at all, and I cannot assign a drive letter to any of them. “Change Drive Letter…” is grayed out. Maybe things are different in Windows 7 Ultimate, or maybe they changed with SP1 or some update.
So I am strongly hoping and eagerly waiting for a new version that is completely compatible with Windows 7, without any potentially scary little problems! It seems to have been announced for quite some time now…
In my Windows 7 Ultimate I can go to Control Panel > Administrative Tools > Computer Manage-ment > Disk Management – I don’t see a more direct way… – and there I cannot find any “System Reserved” anywhere. So what can I do?
Is there any risk involved with assigning a drive letter to it, once I have found it? What can in the worst case happen if I simply ignore the error, as mentioned above? And what do ERUNT and ERDNT do once I have found “System Reserved” and given it a drive letter? And also: How does Windows 7 Ultimate react if I give it a drive letter?
I have the feeling that these points do need some clarification.