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Symantec Endpoint Protection 14.3.12154.10000 P...

It is impossible to discuss this version without noting the context of the Broadcom acquisition. Version 14.3 marked a shift in licensing and support structures. Organizations running this build often had to adapt to the new "Tiered" support model introduced by Broadcom. While the software itself remained robust—often praised for its "set it and forget it" reliability—IT administrators faced a steeper learning curve regarding portal access and entitlement management compared to the previous Symantec-owned era.

No software is perfect. Administrators have reported the following with this build:

| Issue | Symptom | Workaround | |-------|---------|-------------| | High CPU after Windows Update | ccSvcHst.exe spikes to 50%+ | Exclude C:\Windows\CbsTemp from real-time scanning | | Mac agent kernel panic on Big Sur 11.3+ | System freezes during sleep | Update to SEP 14.3 RU2 (build 14.3.211.5212) or later | | SEPM login loop after upgrade | Admin page redirects to login | Clear browser cache and restart SEPM services (tomcat, semwebsvcs) | | Conflict with CrowdStrike Falcon | Block of kernel drivers | Add mutual exclusions: disable SEP’s “System Isolation” if Falcon is present |

Note: Broadcom has officially declared end of support for Windows 7 without ESU as of January 2023, even if using this build.

If you are deploying or running this version, you benefit from:

This build is a full maintenance release under the SEP 14.3 umbrella. Unlike major version jumps (e.g., 14.2 to 14.3), this build number indicates a cumulative patch set that includes:

Key identifiers:

The version Symantec Endpoint Protection (SEP) 14.3.12154.10000 corresponds to Release Update 10 (RU10), which was released by Broadcom on February 3, 2025. This update provides critical security fixes and platform support enhancements for enterprise environments. Core Updates in Version 14.3 RU10

The RU10 release focuses on strengthening client self-protection and expanding compatibility:

Operating System Support: Added official support for Windows Server 2025.

Tamper Protection: Several administrative options were removed to prevent unauthorized or unintentional uninstallation of the client without a password.

Security Management: Enhancements to Adaptive Protection management and the integration of a tuned, more accurate SymantecAI chatbot in the cloud console.

End of Life (EoL): This version officially dropped support for Windows Server 2012 and Windows Server 2012 R2. Technical Fixes and Component Versions

This specific build addresses several stability issues identified in previous 14.3 iterations:

UI Performance: Resolved issues where the Client User Interface became intermittently unresponsive.

Startup Stability: Fixed a bug where Memory Exploit Protection, Intrusion Prevention, and Tamper Protection might appear as "malfunctioning" immediately after system startup.

Resource Management: Improved disk space handling by SymQual to prevent excessive usage during 3rd party process crashes.

System Integrity: Addressed a "Bugcheck (80)" error specifically related to the SymEvent64x86.sys driver. Installation & Maintenance

Password Requirements: Administrators should note that "Password protection" options in the Client Deployment Wizard were modified to ensure stricter control over client modifications.

Repairing the Console: If the management console fails, users can use the Broadcom Support Portal instructions to run a "Repair" via the Windows Control Panel.

Legacy Support: Note that version 12.1.5 clients are no longer supported as of the recent 14.3 updates. If you'd like, I can help you with:

Finding the system requirements for specific operating systems. The steps to upgrade your current SEPM to RU10.

Troubleshooting a specific error code you are seeing during installation. Repair the Symantec Endpoint Protection Manager console Symantec Endpoint Protection 14.3.12154.10000 P...

Based on the partial string provided, here is the information regarding that software version:

Software: Symantec Endpoint Protection (SEP) Version: 14.3 Build Number: 12154.10000

This is a specific build of the 14.3 release train. The "P..." at the end of your string likely indicates one of the following:

Release Context: Build 12154.10000 is a recognized update within the SEP 14.3 lifecycle. It typically includes bug fixes and stability improvements over the initial 14.3 release (which was build 8520). Users often update to this version to resolve issues with content updates or specific OS compatibility.

If you were looking for the full filename: It is likely one of these typical formats:

Symantec Endpoint Protection (SEP) version 14.3.12154.10000, also known as 14.3 Release Update 10 (RU10), was released on February 3, 2025. This major update introduces significant security enhancements, including localized management for advanced protection features and expanded operating system support. Key Features and Enhancements in SEP 14.3 RU10

On-Premises Adaptive Protection: Users can now configure and manage Adaptive Protection policies entirely within the on-premises Symantec Endpoint Protection Manager (SEPM). Previously, this required cloud-based management. This feature uses a behavioral analysis engine to block "Living Off the Land" (LOTL) attacks.

Mandatory Client Password Protection: To prevent unauthorized tampering, a site-level default password is now required during installation or upgrade to stop or uninstall the client. Administrators can disable this requirement through SEPM's Client Password Settings if they need to perform scripted uninstalls.

Expanded Platform Support: This version adds official support for Windows Server 2025. Simultaneously, support has been dropped for older platforms, specifically Windows Server 2012 and Windows Server 2012 R2. Core Security Capabilities

Symantec Endpoint Protection 14.3 remains a cornerstone for enterprise security by integrating multiple layers of defense: What Is Symantec Endpoint Protection? - Broadcom TechDocs

Symantec Endpoint Protection 14.3.12154.10000 (also known as version 14.3 RU10) is a critical security update released by Broadcom on February 3, 2025. This version introduces several infrastructure improvements and security enhancements designed to protect enterprise environments from modern "Living Off the Land" (LOTL) attacks and ransomware. What’s New in Version 14.3 RU10?

The 14.3.12154.10000 build brings several notable changes to management and client-side protection:

On-Premises Adaptive Protection: Administrators can now manage Adaptive Protection directly through the Symantec Endpoint Protection Manager (SEPM) instead of relying solely on the cloud console.

Mandatory Uninstallation Passwords: By default, a site-level password is now required to stop the client service or uninstall the software. This prevents unauthorized removal by users or malware, though administrators can disable this for automated deployments.

Expanded OS Support: This release adds official support for Windows Server 2025.

Tamper Protection Improvements: Enhanced coverage for additional client paths helps prevent attackers from disabling security services. Key Technical Fixes

This build addresses several stability issues identified in previous versions:

Intermittent UI Lag: Fixes an issue where the client user interface would become unresponsive.

Definition Handling: Improved how the system applies new security definitions while a scan is currently in progress.

Disk Space Optimization: Resolves a bug where the SymQual process would consume excessive disk space following third-party application crashes. System Requirements

To ensure stable performance, Broadcom Technical Documentation specifies the following for SEPM and Windows clients: Minimum Requirement Recommended Processor Intel Pentium Dual-Core (or equivalent) 8-core or greater RAM 2 GB available 8 GB or more Hard Drive 40 GB available 100 GB - 200 GB Display 1024 x 768 1024 x 768 or larger

Note: If running Microsoft SQL Server on the same machine as the SEPM, a minimum of 8 GB RAM is required. Installation and Upgrade It is impossible to discuss this version without

For most environments, upgrading to 14.3.12154.10000 only requires updating the Symantec Endpoint Protection Manager; it is not always mandatory to immediately update all clients to maintain protection, though it is recommended for new features.

Symantec Endpoint Protection OS | Specs, reviews and EoL info

Symantec Endpoint Protection (SEP) version 14.3.12154.10000 corresponds to Release Update 10 (RU10) , which was released on February 3, 2025

. This update focuses on enhancing server compatibility, strengthening administrative security, and resolving specific stability issues. Broadcom support portal Key Features and Changes Operating System Support : This version adds official support for Windows Server 2025 Dropped Support

: It no longer supports older server environments, specifically Windows Server 2012 Windows Server 2012 R2 Administrative Security

: To prevent unauthorized modifications, the option to uninstall the client without a password was removed from certain administrative settings. Third-Party Component Upgrades

: Several integrated components were updated to improve security and performance, including Apache httpd, Tomcat, OpenSSL, PHP, and curl. Enhanced Management : Includes improved management of Adaptive Protection

and updates to the SymantecAI chatbot interface for better accuracy. Broadcom TechDocs Critical Bug Fixes

This build addresses several technical issues identified in previous versions: Bugcheck (80) blue screen error associated with the SymEvent64x86.sys Startup Reliability

: Resolves an issue where Memory Exploit Protection, Intrusion Prevention, and Tamper Protection could appear as "malfunctioning" immediately after a system startup. Resource Management : Corrects a bug where

would consume excessive disk space following repeated crashes of third-party processes. UI Responsiveness

: Fixes a problem where the client user interface would intermittently stop responding. Security Coverage Tamper Protection to cover additional client file paths. Broadcom support portal System Requirements

: A minimum of an Intel Pentium Dual-Core (or equivalent) is required, though 8-core processors are recommended for optimal performance. : Management servers (SEPM) should have at least 8 GB of RAM if running on the same server as SQL Server. Disk Space : At least

of free space is required on the system drive during installation, plus additional space for ongoing logs and definition updates. Broadcom TechDocs Are you planning an from an older version, or are you troubleshooting a specific issue related to this build? AI responses may include mistakes. Learn more

This report examines Symantec Endpoint Protection (SEP) 14.3 RU10 (build 14.3.12154.10000), a major release update from Broadcom focusing on modern operating system support and enhanced administrative security. 1. Executive Summary Release Name: 14.3 RU10 Version/Build: 14.3.12154.10000 Release Date: February 3, 2025

Primary Focus: Support for Windows Server 2025 and reinforced client protection via mandatory password requirements. 2. Key New Features & Enhancements

The RU10 update introduces several critical changes to both the management console (SEPM) and client-side protection:

Mandatory Client Password: A site-level default client password is now required to prevent unauthorized stopping of services or uninstallation. This password is required for: Stopping the client service via smc -stop. Manual uninstallation or using the CleanWipe tool. Importing or exporting policies.

On-Premises Adaptive Protection: Administrators can now manage the Adaptive Protection policy entirely within the on-premises SEPM console. This includes viewing prevalence behavior via heat maps and blocking untrusted behaviors. Operating System Support: Added: Full support for Windows Server 2025.

Dropped: Support for Windows Server 2012 and 2012 R2 has been discontinued.

Logging Updates: The SONAR log has been officially renamed to the SONAR: Behavioral Analysis log. 3. System Requirements

Hardware and software requirements remain largely consistent with the 14.3 RUx series, with notable exceptions for OS compatibility. Component Minimum Requirement Recommended Processor Intel Pentium Dual-Core or equivalent 8-core or greater RAM (SEPM) 2 GB available 8 GB or more Disk Space (SEPM) 40 GB (Local SQL) Display 1024 x 768 Release Context: Build 12154

Database Note: If Microsoft SQL Server is installed on the same server as the SEPM, the minimum RAM requirement increases to 8 GB.

Platform Specifics: Windows 32-bit systems are not supported in versions RU6 and later; these systems should remain on RU5. 4. Security and Stability Fixes

This build addresses several stability issues identified in previous versions:

Fix CRE-18381: Resolved an issue where the Client User Interface was intermittently unresponsive.

Fix CRE-20211: Addressed a bug where Memory Exploit Protection and Intrusion Prevention appeared as "malfunctioning" on startup.

Fix CRE-22234: Fixed a bugcheck (Blue Screen) observed with the SymEvent64x86.sys driver.

Disk Usage: Improved handling of excessive disk space usage by SymQual when third-party processes crash repeatedly. 5. Management and Deployment

Upgrades: Administrators only need to upgrade the SEPM to take advantage of the new password requirement features; client upgrades are optional but recommended for full protection.

Component Updates: Several third-party components were upgraded to newer versions, including Apache httpd, Tomcat, OpenSSL, PHP, and curl to address potential vulnerabilities in underlying libraries.

For full technical documentation, users can access the Broadcom Tech Docs Portal. Symantec™ Endpoint Protection 14.3 RU10 Release Notes

Symantec Endpoint Protection (SEP) version 14.3.12154.10000 refers to the Release Update 10 (RU10) build of the software

. This update focus on critical security fixes, component improvements, and expanded policy controls for enterprise environments. Broadcom support portal Key Features in Version 14.3 RU10 Adaptive Protection Management

: Administrators can now manage Adaptive Protection policies directly within the on-premises Symantec Endpoint Protection Manager (SEPM)

. This feature uses behavioral analysis and global threat telemetry to block untrusted behaviors. Mandatory Client Passwords

: To prevent unauthorized stopping or removal of the client, a site-level default password is now required for tasks like using the command or the CleanWipe tool. Advanced Threat Intelligence

: The RU10 update includes a heat map on the Advanced Security page to visualize prevalence behavior and correlated MITRE techniques. Renamed Logging : The "SONAR" log has been updated to " SONAR: Behavioral Analysis log " to better reflect its function. Broadcom TechDocs System & Technical Requirements Microsoft Trusted Signing

: Starting with RU8 and continued in RU10, Windows clients must have Microsoft Trusted Signing (formerly Azure Code Signing) support installed. 64-bit Exclusivity

: Modern versions of SEP, including RU6 and later, no longer support 32-bit Windows operating systems. SEPM Requirements : The management server typically requires a minimum of

(8 GB recommended) and specific disk space for program data and installation files. Broadcom TechDocs Deployment and Upgrading

The upgrade to 14.3 RU10 is designed as an "over-install," meaning you do not need to uninstall previous versions first. Broadcom recommends updating a small test group before deploying the update across the entire production network. Broadcom TechDocs Do you need help generating an installation package

for specific Windows or Linux groups, or are you looking for the full list of fixes included in this specific build?