When drilling down to the next window the back button will always give the error message this is the top level diagram even though it isn't the top level this happens because the browse closes active window option is checked in Vista under the options menu. Uncheck this and the back button will work again.
If this is not an option or undesireable, this can be caused by the registry having the wrong path to the system folder. To resolve this do the following:

1) Open the registry by going to Start > Run > and type regedit > click ok
2) Navigate to the following directory where x.x is the version of ION Enterprise: HKEY_LOCAL_MACHINE\SOFTWARE\Schneider Electric\ION Enterprise\x.x
3) Find Root1 and verify that the path to the system folder is exactly what it should be.




Date Created: October 24, 2008
Last Revised: November 24, 2009 by MN
Public
Original Author: MN
All content © 1992-2009 Schneider Electric

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Legacy KB System (APS) Data: RESL198459 V2.0, Originally authored by MiNe on 05/07/2009, Last Edited by MiNe on 11/25/2009
Related ranges: ION Enterprise V6.0, ION Enterprise V5.6