Windows Windows Server

How to Find a User’s Security Identifier (SID) in Windows

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What Is SID (Security Identifier)? There will always be situations in which you want to confirm a user’s account SID in Windows. You may have the SID and do not know the user it belongs to or you know the user but do not know the SID, so there will be a need to use a windows command. Matching the SIDs to accounts is very easy using the necessary commands. If you follow the steps below you will be able to do the matching very easily. If you want to read more on Windows security you can read these: New Windows 11 encryption features and security enhancements will help protect hybrid work, How to use the Windows Sandbox as a security feature in Windows 10 and 11, How to enable Secure Boot on PC to install Windows 11.

1: Open the command prompt terminal and type this command and hit the enter key:

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You will get the SIDs displayed

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If you know the particular account username and only need that account SID then you will have to replace the name with the user.

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I will be typing temitope as the USER

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2. How to find the Users using the SID

This time around you may have the SID and you need to know the USER, then you will need to reverse the command like this:

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Once you click enter you will see the name of the SID.         

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3. How to find a User’s SID in the Registry

Another way we can find a user SID is through the Registry. Follow this path HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList. The SID can be confirmed by looking through the ProfileImagePath. On the ProfileList you will notice some numbers that are security identifiers and when I select the SID S-1-5-21-522739724-11777 you will see the corresponding account C:\Users\temitope and I can confirm that the SID belongs to the user account temitope.

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I hope you found this blog post on How to Find a User’s Security Identifier (SID) in Windows interesting and helpful. In case you have any questions do not hesitate to ask in the comment section.

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