Error 0x80072f8f fixed in KB3138612 update summary
KB3138612 is an update for Windows Server and Windows operating systems that addresses several security vulnerabilities and non-security issues. The update primarily focuses on enhancing the security posture of Microsoft Exchange Server, a widely used email server software by organizations around the world. It includes critical fixes to address various vulnerabilities that could be exploited to compromise system integrity or data confidentiality.
This cumulative update contains all fixes from previous updates for Exchange Server 2013 and Windows Server 2012 R2 and is recommended for deployment in environments where security is a top priority. The installation of KB3138612 ensures that your environment is protected against known vulnerabilities and exploits, thereby maintaining the overall security of your network infrastructure.
The update includes improvements to address issues such as bypassing authentication mechanisms, information disclosure through sensitive data leakage, and various denial-of-service (DoS) conditions. These enhancements are crucial for organizations that rely on Exchange Server 2013 and Windows Server 2012 R2 to ensure the confidentiality, integrity, and availability of their email services.
Additionally, KB3138612 includes non-security updates that address customer-reported issues and improve overall system performance. These improvements contribute to a better user experience by resolving common problems reported by customers and enhancing compatibility with other software systems.
KB3138612 description: Fixes error 0x80072f8f and more issues
This cumulative update addresses multiple vulnerabilities and issues for Microsoft Exchange Server 2013 running on Windows Server 2012 R2.
The following are the key items patched or resolved in KB3138612:
– **Security Vulnerability Fixes**: The update includes several critical security updates to address potential exploits such as remote code execution, privilege escalation, and information disclosure. These fixes ensure that attackers cannot exploit vulnerabilities in Exchange Server components like Outlook Web App (OWA), ActiveSync, or other services.
– **Denial-of-Service (DoS) Vulnerabilities**: Several DoS conditions are addressed to prevent malicious attacks designed to disrupt the normal functioning of Exchange Server. By mitigating these risks, organizations can maintain operational continuity and ensure that email services remain available during security incidents.
– **Authentication Mechanisms Improvements**: KB3138612 includes enhancements to authentication processes within Exchange Server to prevent bypassing standard authentication protocols. This is particularly important for environments where multi-factor authentication (MFA) or other advanced security measures are implemented.
– **Information Disclosure Fixes**: The update addresses issues that could lead to sensitive information being disclosed through various channels, such as HTTP headers or email content. These fixes enhance data confidentiality and protect against potential privacy breaches.
Non-Security Improvements:
– **Performance Enhancements**: KB3138612 also brings performance improvements that optimize the handling of large mailboxes and high-volume message traffic. This is beneficial for environments with a significant number of users or those experiencing peak usage periods.
– **Customer Reported Issues**: Several customer-reported issues are resolved in this update, addressing common problems such as service disruptions during maintenance windows or errors encountered when performing routine operations.
These updates collectively enhance the security and stability of Exchange Server 2013 environments running on Windows Server 2012 R2, ensuring that your organization benefits from a more robust and reliable email infrastructure.
Howto install KB3138612
To install KB3138612 in an environment with Exchange Server 2013 and Windows Server 2012 R2, follow these detailed steps:
1. Download the update package (.cab file) for KB3138612 from a trusted source, such as Microsoft’s Update Catalog or your organization’s software repository.
2. Create a directory on your Exchange server to extract the contents of the .cab file. For example, you can create a folder named “ExchangeUpdates”.
3. Use a tool like 7-Zip or WinRAR to extract the contents of the downloaded .cab file into the newly created directory.
4. Open the extracted files and navigate to the appropriate subdirectory based on your Exchange version (e.g., for Exchange Server 2013, go to the folder named “Exchange2013”).
5. From within this directory, locate the setup.exe or similar executable installer file.
6. Run the installer by executing setup.exe with administrative privileges. You may need to use the Command Prompt and run it as an administrator (cmd.exe /c setup.exe).
7. Follow the prompts in the installation wizard. Ensure that you select options for both offline and online mode installations if applicable, depending on your environment’s configuration.
8. After completing the installation process, restart the Exchange server or affected services to apply the changes fully. You can do this by using the Services Management Console (services.msc) or PowerShell commands such as Restart-Service MSExchangeEdgeSync.
Ensure that you have a recent backup of your system before initiating any major update installations and consult your organization’s IT policies for specific requirements or procedures related to applying updates in production environments.
Similar questions
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Does update KB3138612 address any security vulnerabilities, and if so, which ones?
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