170 Rockwell Automation Publication 1766-UM001O-EN-P - September 2021
Appendix D Use ControlFLASH to Upgrade Your Operating System
If the AB_SNMP – BOOTP Server Running dialog box appears and if
there is no response from the controller for more than 30 seconds, click
Cancel.
The Update Status dialog box displays. If the update was successful, the
status text box is green and has an appropriate message.
If the update was not successful, the status text box is red and has an
appropriate message.
If the following dialog box appears, it indicates that the controller ended
up in a Missing/Corrupt OS state. The current revision number reflects
the version of Boot Firmware.
To recover the controller from this state, see Recover from Missing or
Corrupt OS State on page 173.
19. Click OK. The Welcome to ControlFLASH dialog box displays.
20. You can continue to upgrade additional controllers by clicking Next, or
exit the program by clicking Cancel.
If you click cancel, you are prompted to verify that you want to end the
update session.
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