Issue
Resetting a Modicon Redundant Switch may leave the web browser inaccessible, so it is not possible to configure the switch.
Resolution
This article describes how to do a full factory reset using the command line of the switch. It follows on from the knowledgebase article Modicon Redundant Switch - Factory Reset Without Password which is included here for convenience.
Disclaimer
The views and opinions expressed in this article are those of the author(s) and do not necessarily reflect the official policy or position of Schneider Electric.