If you clone a hard drive without running Sysprep, every cloned machine shares the exact same SID.

Once the machine turned off, administrators , or the Sysprep process would complete locally and ruin the image.

Sysprep did not come pre-installed in the C:\Windows\System32 directory like it does today. You had to extract it manually: Insert the . Navigate to the \SUPPORT\TOOLS\ directory on the disc. Locate the DEPLOY.CAB file.

This causes severe security collisions, trust broken with Active Directory, and general network conflicts.