Issue
Due to the configuration migration which occurs when upgrading to exacqVision Web Server 9.6 you can not downgrade from 9.6 or higher versions to 9.4 or earlier versions using an older installer.
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To downgrade to a version of exacqVision Web Server prior to 9.6 you must completely uninstall exacqVision Web Server and then run the old installer.
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Note: Once you are on 9.6 or higher You can then upgrade/downgrade to any version 9.6 and higher version using the desired versions installer. This is where you start your issue. 10pt
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Downgrading-exacqVision-Web-Server.pdf