If FactoryTalk Security is enabled for RSLogix 5 v8.0, FactoryTalk
Service Platform version 2.50 (CPR9 SR5) or higher is required. If FactoryTalk Service Platform upgrade is not allowed, need disable FactoryTalk Security as below: CONTROL PANEL --> PROGRAMS AND FEATURES --> Click on RSLOGIX 5 ENGLISH 8.00.00 (CRP9) Click on CHANGE button --> NEXT --> MODIFY RSLogix 5 English should be highlighted and select NEXT Security Options/ Enable Factory Talk Security box should be un-checked ( this is done by default when you go to modify) Click NEXT and INSTALLAnswer