*UPDATE* MCB CAMP BUTLER MIGRATION TO RFMSSMC (USMC) (EFFECTIVE: FRIDAY, 03 APR 2026) PLEASE ENSURE WIDEST DISSEMINATION 1. ANNOUNCEMENT OF THE MARINE CORPS MIGRATION FROM RANGE FACILITY MANAGEMENT SUPPORT SYSTEM (RFMSS)-ARMY TO RANGE FACILITY MANAGEMENT SUPPORT SYSTEM (RFMSS)-MARINE CORPS. 2. ON FRIDAY 03 APR 2026, THE MCB CAMP BUTLER WILL MIGRATE FROM RFMSS-ARMY TO RFMSS-MC. 3. THE NEW URL TO ACCESS RFMSS-MC WILL BE https://butler.rfmssmc.usmc.mil. YOU MUST BE CONNECTED TO THE MCEN NETWORK IN ORDER TO ACCESS RFMSSMC. 4. MIGRATION TO RFMSS-MC WILL BE TRANSPARENT FOR MARINE CORPS ENTERPRISE NETWORK (MCEN) USERS. THE FORM, FIT, FUNCTION AND USER INTERFACE OF RFMSS-MC CLOSELY MIRRORS THAT OF THE PREVIOUS VERSION. 5. NON-MCEN USERS MAY EXPERIENCE A TEMPORARY INABILITY TO ACCESS THE MCB BUTLER RFMSS-MC SERVER, UNTIL THE PROBLEM IS RESOLVED. 6. NON-CAC END USERS WILL NEED TO USE A 2-STEP VERIFICATION PROGRAM CALLED OKTA VERIFY. NON-CAC USERS WILL NEED TO CREATE AN ACCOUNT THROUGH OKTA VERIFY FIRST AND ESTABLISH VERIFICATION PRIOR TO BE ABLE TO ACCESS THE MCB CAMP BUTLER RFMSS-MC SITE. 7. THE OKTA VERIFY APP IS AVAILABLE FOR DOWNLOAD IN THE APPLE STORE AND THE GOOGLE PLAY STORE. 8. FOR INSTRUCTIONAL INFORMATION ON ACCOUNT CREATION, GO TO: HTTPS://RFMSSMC.OKTA.MIL. FOR ISSUES OR QUESTIONS PLEASE REACH OUT TO THE RFMSS-MC Help Desk, rfmssmc@us.navy.mil, (703) 784-4548.