Rockwell Automation Logix5000 Controllers Security Programming Manual - Manual (Page 47)

Configuring source protection in the Logix Designer application Chapter 4
3. In the Source Protection Configuration dialog box, click Clear.
A dialog box asks for confirmation that you want to delete the source key
file (sk.dat).
4. Select Yes to remove the source key file from the workstation.
You can disable a source key file (sk.dat) on a workstation.
Important: Write down the source keys or make a copy of the sk.dat file and store in a secure location before
deleting the sk.dat file.
1. Open the project that is protected.
2. On the menu bar, click Tools, click Security, and then click Configure
Source Protection.
Disabling routine source
protection
Rockwell Automation Publication 1756-PM016G-EN-P - October 2014 47