when a folder is marked red like the below pic in the server, what does it mean??
It means this folder has subfolders that are mounted. Check below.
The screenshot which you have shared is it a Help from QMC? how do w access these Details??
Open QMC and select the Help item in the far right corner. That's pretty much all documentation you will get about the QlikView Management Console, but it is very good.
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