Hello Jimmy, I don't think you can set a restriction on the forensic folder size. What I would typically do is configure the quaraintine folder to a seperate disk. You can move the quarantine folder in the IIS Manager > Sites > Default Web Site > BitsUploads > Basic Settings > Modify the Physical path, Test the settings and press OK. Please note this might not be the best pratice configuration from Palo Alto Networks. You should also deleted unused preventions from the quarantine folder every 3 days according to Palo Alto Networks.
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