The condition element is in this context used to show the message and stop
the installation if the condition is false. In other words it is a condition
that must be fulfilled to to start the installation.

The condition you have does the opposite, it shows the message if the DB
doesn't exist. Instead you should write:

SOLUTIONEXISTS <> "exists"
- OR -
SOLUTIONEXISTS = "notexists"

(You need to add a CDATA section)

/Christian

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