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Do You Have Legacy Windows Operating Systems?

 
Do You Have Legacy Windows Operating Systems?

Many systems administrators continue to support outdated Operating Systems (OS) due to legacy application requirements. However, in 2025, relying on unsupported operating systems and legacy applications poses significant security risks to IT operations.

In this blog, our Sourcepass experts explain why it’s crucial to develop an upgrade plan and deploy a new server operating system to ensure security and efficiency. 

What is End of Support?

 

The End of Support (EOS) for a Windows OS means that Microsoft will no longer provide security updates, patches, or technical assistance, leaving systems vulnerable to security threats and operational issues. Below are some Windows OS's that are unsupported: 

  • Windows Server 2003: Microsoft terminated support in July 2015
  • Windows Server 2008: Microsoft terminated support in January 2020
  • Windows Server 2012: Microsoft terminated support in October 2023
  • Windows Server 2016: Microsoft terminated mainstream support in January 2022; however, Microsoft continues to provide security updates until extended support ends on January 11, 2027
  • Windows 10: Microsoft will no longer provide security updates or technical support for Windows 10 after October 14, 2025.  Prior Windows desktop operating systems have already reached end-of-support.

Security Risks

Without security updates or patches, systems are vulnerable to new security threats.

Cybercriminals often target outdated systems, exploiting known vulnerabilities to gain unauthorized access, steal data, or disrupt operations. This can lead to significant financial losses, data breaches, and damage to a business's reputation.

 

Compliance

Running outdated software can lead to non-compliance with industry regulations.

Many regulatory frameworks, such as GDPR, HIPAA, and PCI-DSS, require businesses to maintain up-to-date software to protect sensitive data. Failure to comply can result in hefty fines, legal penalties, and loss of customer trust.

 

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Compatibility Issues

Newer applications and hardware may not be compatible with end-of-life Windows Server operating systems.

This can hinder the adoption of innovative technologies and tools, limiting an organization’s ability to improve productivity and efficiency. Additionally, compatibility issues can lead to increased maintenance costs and operational disruptions.

 

Performance Improvements

Upgrading to a newer version can significantly improve performance and efficiency.

Modern operating systems are designed to leverage the latest hardware advancements, offering faster processing speeds, better resource management, and enhanced user experiences. This can lead to increased productivity, reduced downtime, and a more agile IT infrastructure.

 

Upgrade Your Business with Sourcepass

Contact Sourcepass to speak with a Sourcepass Specialist to learn more!