Right-click the replication partner and select .
Note: Windows Server 2008 R2 is no longer supported in newer 14.3 iterations. 2. Database Compatibility
Before starting the installation, ensure your environment meets the minimum technical specifications for the management server (SEPM) and clients. 1. System Requirements for SEPM 14.3 symantec endpoint protection upgrade 14.2 to 14.3
At least 100 GB of free space to accommodate the installer, definitions, and database upgrades.
If you run multiple SEPM servers in a replicating site architecture, disable replication before starting. Upgrade the primary site first. Right-click the replication partner and select
The management console must always be upgraded before upgrading any endpoint clients. If you run a multi-site or load-balanced SEPM environment, upgrade the primary site first.
Ensure the SEPM server has sufficient disk space for the upgrade, especially when migrating databases. If you run multiple SEPM servers in a
Ensure your Microsoft SQL Server version is compatible with SEP 14.3 (SQL Server 2016 SP2 or higher is typically required). Critical Pre-Upgrade Checklist Before running the installer, execute these tasks in order:
Configure the upgrade schedule. It is best practice to stage this deployment over several days for large groups to prevent network bandwidth saturation. Click . Phase 4: Post-Upgrade Verification