Symantec Endpoint Protection (SEP) 14.3 RU6 represents a significant milestone in endpoint security, bridging on-premise control with hybrid cloud capabilities. As organizations prepare for deployment or upgrade, understanding the precise hardware, operating system, and software prerequisites is critical to avoid performance bottlenecks, failed installations, or security gaps.

| Software Type | Examples | Action Required | |---------------|----------|------------------| | Other antivirus | McAfee, CrowdStrike, Carbon Black | Uninstall fully (disable is not enough) | | Disk encryption | BitLocker, McAfee Drive Encryption | Test interoperability; SEP may conflict with MBAM | | DLP agents | Forcepoint, Digital Guardian | Add exclusions for SEP folders and processes | | Network firewall | Check Point, Palo Alto Traps | Disable L7 inspection for SEP management traffic | | VDI golden images | Citrix PVS, VMware Horizon | Re-run SEP SysPrep after sealing image | If you are upgrading from an older version, verify the following baseline:

| Database | Supported Versions | |----------|--------------------| | Embedded Sybase SQL Anywhere | Version 17 (bundled with installer) | | Microsoft SQL Server | 2019 (Standard, Enterprise); 2017; 2016 SP2+; 2022 (from RU6 patch onward) | | SQL Authentication Mode | Mixed Mode required if using external SQL |

| Platform | Supported Versions | Notes | |----------|--------------------|-------| | VMware ESXi | 6.7, 7.0, 8.0 | Use VMXNET3 network adapter; enable hardware virtualization | | Microsoft Hyper-V | Windows Server 2016/2019/2022, Windows 10/11 Pro/Enterprise | Dynamic memory recommended to be disabled for SEP | | Citrix Hypervisor | 8.2 LTSR, 8.2 CU1+ | – | | Nutanix AHV | AOS 5.20+ | – | | AWS EC2 | Any instance type (t3, m5, c5 families) | Use dedicated EBS-optimized volumes | | Microsoft Azure | Dv3, Ev3, or higher series | – | | Google Cloud (GCE) | N2, C2, or E2 series | – |