When a SID has been used as the unique identifier for a user or group, it cannot ever be used again to identify another user or group. This can be prevented by setting access control lists on a susceptible file, such that the effective permissions are determined by the user SID.
If this user SID is duplicated on another computer, a user of a second computer having the same SID could have access to the files that the user of a first computer has protected. This can often happen when machine SIDs are duplicated by a disk clone , common for pirate copies. About This Article. Written by:. Nicole Levine, MFA. Co-authors: 2. Updated: September 6, Categories: Windows.
Article Summary X 1. Thanks to all authors for creating a page that has been read , times. Is this article up to date? Cookies make wikiHow better. By continuing to use our site, you agree to our cookie policy. Very good post. Thanks for sharing the information. How to get sid of ad user id, I am not able to get the user id from whoami command.
How to get sid of computer object for all user on AD? Thank you. Thank you for this command line page. Awesome work! Looks good, thanks to all who have put this info out. Thanks, Ralph. Nice work!
How to get the list of all registered users? Kindly suggest me how to disable Thank you. How can I recover an accidentally delete Administrator account. Even his versions of Windows prefer to avoid talking to one another on his behalf.
It might interest you to know there are a whole bunch of "Mister Black-Boxes" in the system Some can even be seen conversing with others, because they've been a bit sloppy about covering their tracks. Or maybe they just can't delete their old posts any more for some reason. I have the same thing happening with a clean install of Win 7Ultimate, no domain joins, just workgroup name changes.
If I create a copy of a folder, this thing prevents me from deleting folders inside without ever opening the folder. I don't need this bug, it serves no use to me and costs me time constantly fighting deletions and renaming constantly. I was hit with a virus that poped up a window, Not Defender or anything like it, I was able to stop it in its tracks and I removed it from the registry, only found it in two places.
But it had already done its stuff and deleted nearly every link in my Programs section. Also my desktop icons were all removed. I was able to restore all of those as well, but many came back as transparent. So I try to fix the issue, which is that the icon properties are marked as invisible, yet I see them. Account Unknown S and the user has admin rights!. When I attempt to remove the rights I got an error that the account was inheriting the rights from another account Mine!
So I do just that. I proceeded to remove the inherited permisions, and viola, I can now remove the profile from the security section with no problem, but it is on every second icon on the screen, and after about ten of them I came looking for a quick fix.
I was hoping to find a way to fix all the icons at once, and also get my links for programs under all Programs put back. The only group of applications that still have the shortcuts are in MS Office Professional, all other programs are missing the application links.
I am finding it hard to believe it is a Windows initiated account, I am running Win 7 Professional connected to a network of Win Server This user is in only on the Win 7 machine, not on any other computer.
So, with four other computers running varrying version of windows 7, why if it is part of the system did it not show up until I was hit with the virus?
I recieved the virus while writing a paper on Global Warming. While you run Windows 7, you check security settings of the folder on your Vista partition? In other words, the Windows platform and ACL security is version specific to each version of windows. If it wasn't, perhaps Windows 7 would be able to read and understand the accounts in Vista. If it wasn't, then users would only have to set up their ACL's one time and be assured that the OS, any OS, would be able to read and obey the ACL's as configured, using the actual names that a user would be expected to recognize.
It would also read and recognize users who have already been setup. But then, it would have to have non-version specific user information, and what a pain that would be. It makes sense that I need to have a different account setup for every version of an OS.
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