In Q2 2025, Broadcom announced a renewed focus on ARM64 due to enterprise demand. According to internal roadmaps (shared at the 2025 Symantec Partner Summit):
If your SEP policy enforces Endpoint Disk Encryption (EDE) , the client will fail to install. Disable encryption policy before installing on ARM64. symantec endpoint protection arm64 work
: There is currently no support for managing ARM64 endpoints via an on-premises Symantec Endpoint Protection Manager (SEPM). In Q2 2025, Broadcom announced a renewed focus
| Metric | x64 Native (Intel/AMD) | ARM64 via Emulation (SEP) | Native ARM64 AV (e.g., Defender) | | :--- | :--- | :--- | :--- | | Boot time impact | +4 seconds | +8-10 seconds | +3 seconds | | ZIP file scan (1GB) | 12 seconds | 19 seconds | 9 seconds | | CPU during idle scan | 8% | 22% | 5% | | Kernel driver stability | Excellent | Moderate (rare BSODs reported) | Excellent | : There is currently no support for managing
Specifically requires Windows 11 (builds 21H2, 22H2, and later).