NewSID Duplicate SID changer - Smart-X - Version 1.4.4.1 NewSid - Duplicate Sid Changer - Smart-X. Constantly monitor your network for duplicate Windows SIDs and change them remotely.Instantly displays a real view of machines with duplicate SID or WSUS ID on your network. Fixes Duplicate SIDs by running Microsoft's NewSid remotely. Using computer images for OS deployment? You probably have hundreds of computers with duplicate SIDs in your network and Duplicate entries in your WSUS system.Duplicate SIDs in you network is a major security risk and additionally might cause all kind of issues when working with third party products such as Anti Virus, Deployment systems and other system products. In addition, when duplicating computers the WSUS data is incorrect, you get duplicate names, misguided reports etc. due to duplication of the WSUS IDs. NewSID - Duplicate SID Changer is a revolutionary product which constantly monitors your network to find computers with duplicate SIDs and Duplicated WSUS IDs.