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Windows 7: why can I access My Documents in Win7 from XP (Win7/XP dual boot)?


08 Oct 2011   #1

dual boot with Win7 SP1 and XP SP3
 
 
why can I access My Documents in Win7 from XP (Win7/XP dual boot)?

I was running a dual boot XP SP3/XP SP3 until I recently clean installed Windows 7 32bit on C: partition (while keeping the other XP install). I used a boot manager to "find" my XP install, and I now dual boot Windows 7/XP. Both OSes start and run like they are supposed to.

My issue is with Windows 7 MyDocuments security. Quite by accident, I discovered that when running XP, I could access, rename, change, and delete files in my Windows 7 MyDocuments folder. I went to Windows 7/Windows/system32 to see if I could rename or delete system files (yes, I made a backup just in case) but was denied. I booted into Windows 7 and tried the same thing to XP, but got the familiar "permission denied" popup.

Needless to say this was puzzling and very concerning as well. Why does Windows7 not give me a "permission denied" trying to access Windows 7/MyDocuments while in XP?

My System SpecsSystem Spec
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08 Oct 2011   #2

Windows 8.1 Pro (x64)
 
 

Because you are a user part of the Administrators group on Windows XP. Those part of the Administrators group have access to your user directory, its part of the permissions, in the Security tab.
My System SpecsSystem Spec
08 Oct 2011   #3

dual boot with Win7 SP1 and XP SP3
 
 

Quote   Quote: Originally Posted by logicearth View Post
Because you are a user part of the Administrators group on Windows XP. Those part of the Administrators group have access to your user directory, its part of the permissions, in the Security tab.
Was this something that was changed in Windows 7? Because when dual booting XP/XP, neither install could access the other's user files like MyDocs, and I always logged into each XP OS with my admin account. It seems this is a step backwards as far as security is concerned. Why would Windows 7 allow an admin to access personal files of another admin?
My System SpecsSystem Spec
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08 Oct 2011   #4

Windows 8.1 Pro (x64)
 
 

Um...It has always been that way. The default installation has always had the Administrators group with full permissions on all user directories. On Windows XP and above. Even so, those part of the administrators group have the power to take ownership of any directory.
My System SpecsSystem Spec
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 why can I access My Documents in Win7 from XP (Win7/XP dual boot)?




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