Metadefender ICAP Server 4.0.0 8. Knowledge Base Articles Page: Why does the deployment ID appears NULL In Metadefender Core v4? Page: Why don't I see the Data Sanitization engine in Metadefender Core v4? Page: Why should I upgrade my Metadefender Core v4? Page: Can I disable (and later re-enable) any of the antivirus engines in Metadefender Core v4? Page: Can I install Metadefender Core v4 silently from a command line? Page: Are Metadefender Core v4 upgrades free? Page: Are there any dependencies that need to be fulfilled for Metadefender Core v4 engines ? Page: Test cases for different scan results on Metadefender Core v4 Page: What are Security Policies and how do I use them? Page: What should I do if an engine is in "failed" or "permanently_failed" status? Page: What operating system patches should be applied to the system hosting Metadefender Core? Page: What links, target-services or target host-IP's need to be allowed for Metadefender Core v4? Page: How can the TEMP folder be changed? Page: How can I increase the scaling up performance? Page: How can I find a sanitized file scanned with Metadefender Core v4?