The map files are stored as XML under NMSROOT/campus/etc/users/USERNAME. If these files become corrupt, you would need to pull them out of a known good backup, and copy them back to this directory. Note: loading a background image into Campus can cause the map layouts to become corrupt.
No, there is no periodic thread that purges map data. The map data should be persistent. Other things that can mess up the map are reinitializations of the ANI database. If the device IDs change, then the saved map will have no meaning.
One device ID change wouldn't do it. An unknown device would simply appear connected to the rest of the map by a long line (probably showing the device near one of the corners of the map). What is more likely, given the clumping, is that the XML files became corrupted (i.e. are no longer well-formed XML).
Hi everyone, I would like to thank you in advance for any help you can provide a newcomer like myself!
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