Download Sidder 26 — 2021 //top\\

Have the user log out completely. If the file remains locked, use Share and Storage Management on your file server to kill the open SMB file session matching the file name Sidder revealed. Sidder v2.6 vs. PowerShell Alternatives

: Make sure your admin account explicitly holds NTFS and Share sharing permissions to view security details inside the destination directory.

You must run the utility with an account that has Read access to the UPD storage share and Read access to Active Directory to resolve SIDs. Step 3: Launching the Application Extract the downloaded ZIP file. Right-click Sidder.exe and select Run as administrator . download sidder 26 2021

While the original Microsoft TechNet Gallery link is no longer active, the official home for the tool is now GitHub. You can find the original project and its various community-supported updates on the msfreaks Sidder GitHub repository .

Because Arjan Mensch stopped development after v2.6, community forks have emerged to add features like CSV exporting and user search. One popular choice is , which builds upon the original code to handle modern administrative needs. Have the user log out completely

: You can access the complete source code, look at community forks (such as modified versions like SidderPlus), and track version revisions by visiting the msfreaks Sidder GitHub Repository .

The tool is a single executable that requires no installation or external DLLs. PowerShell Alternatives : Make sure your admin account

Sidder scans your UPD file share, automatically parses the SIDs, and correlates them instantly into standard . Why Version 2.6 is Essential

As of May 2026, remains a popular choice for system administrators who need to manage User Profile Disks (UPDs) in Remote Desktop Services (RDS) environments. Originally created by Arjan Mensch (msfreaks), this version was a milestone release because it officially became open-source. What is Sidder?