Hello,
You can downgrade by doing mmrecov to the lover revision, however, dont 
expect to keep the index etc, if you do it early in the conversion it may 
not be so painfull, otherwise it's not an option.
I do like the funtionality that new GUI brings up, like not having to look 
for which directive i am using per client, which browse and retention 
policies are in use and ability to see lot more info in it.
However, it does not justify reason alone to move forward.

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