Symantec Endpoint Protection Upgrade 14.2 To 14.3 !exclusive! -
After finishing your pre-upgrade preparation, follow these steps:
user wants a long article about upgrading Symantec Endpoint Protection from version 14.2 to 14.3. I need to provide comprehensive information. I'll follow the search plan to gather necessary data. I'll start with Round One of searches. search results provide a good starting point. I have identified several Broadcom support pages that appear highly relevant, including details on upgrade paths, system requirements, new features, and known issues. I will open these pages to gather the detailed information needed for the article. have gathered information from various Broadcom support pages. The search results cover upgrade paths, system requirements, new features, known issues, best practices, and troubleshooting. I will now structure a comprehensive article covering the importance of upgrading, prerequisites (with system requirements, upgrade paths, backup procedures, and a checklist), a step-by-step upgrade guide for the SEPM and clients (recommending a rollout strategy), and a final section on post-upgrade tasks. I will cite the sources appropriately. Symantec Endpoint Protection Upgrade 14.2 to 14.3: The Complete Step‑by‑Step Guide
Upgrading Symantec Endpoint Protection (SEP) is crucial for maintaining a robust security posture. Moving from SEP 14.2 to 14.3 brings enhanced security features, improved performance, and continued support for modern operating systems. This guide will walk you through the necessary steps for a successful upgrade of your management console and client software. Why Upgrade to SEP 14.3? symantec endpoint protection upgrade 14.2 to 14.3
Click to allow the installer to stop the SEPM services automatically. Step 3: Run the Management Server Configuration Wizard
# On client "%ProgramFiles%\Symantec\Symantec Endpoint Protection\smc" -stop "%ProgramFiles%\Symantec\Symantec Endpoint Protection\smc" -start I'll start with Round One of searches
Once the SEPM server is successfully upgraded, you can upgrade the clients. You do not need to uninstall the old client beforehand; the in‑place upgrade process saves client settings, then installs the new version.
Step 1: Upgrading the Symantec Endpoint Protection Manager (SEPM) I will open these pages to gather the
Starting with SEP 14.3 RU8, installation or upgrade fails with an error about the installer integrity check, often showing "The filename, directory name, or volume label syntax is incorrect" (error 8007007B ). Cause: SEP 14.3 RU8 and later requires Microsoft Trusted Signing (formerly Azure Code Signing) support to verify its files. The necessary root certificate is missing from the client machine. Resolution: Install the "Microsoft Identity Verification Root Certificate Authority 2020" certificate into the Trusted Root Certification Authorities store on the problematic system. In some scenarios, the DigiCertAssuredIDRootCA may also be required.
If you encounter any issues during the upgrade process, refer to the following troubleshooting tips: