Help Center/ Host Security Service/ User Guide (Ankara Region)/ FAQs/ Quotas/ If I Change the OS of a Protected Server, Does It Affect My HSS Quota?
Updated on 2024-04-15 GMT+08:00
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If I Change the OS of a Protected Server, Does It Affect My HSS Quota?

No. But before changing the server OS, you need to check whether the HSS agent supports the new OS. To obtain better HSS service experience, you are advised to install or upgrade to an OS version supported by the agent.

HSS agents can run on Linux servers, such as CentOS and EulerOS; and Windows servers, such as Windows 2012 and 2016.

The agent is probably incompatible with the Linux or Windows versions that have reached end of life. To obtain better HSS service experience, you are advised to install or upgrade to an OS version supported by the agent.

Table 1 Server OSs supported by the agent

OS Type

System Architecture

Supported OS

Windows

X86
  • Windows Server 2019 Datacenter 64-bit English (40 GB)
  • Windows Server 2019 Datacenter 64-bit Chinese (40 GB)
  • Windows Server 2016 Standard 64-bit English (40 GB)
  • Windows Server 2016 Standard 64-bit Chinese (40 GB)
  • Windows Server 2016 Datacenter 64-bit English (40 GB)
  • Windows Server 2016 Datacenter 64-bit Chinese (40 GB)
  • Windows Server 2012 R2 Standard 64-bit English (40 GB)
  • Windows Server 2012 R2 Standard 64-bit Chinese (40 GB)
  • Windows Server 2012 R2 Datacenter 64-bit English (40 GB)
  • Windows Server 2012 R2 Datacenter 64-bit Chinese (40 GB)
    NOTE:

    If a piece of third-party security software, such as McAfee, has been installed on your server, stop the protection function on the software before installing an HSS agent. After you install the agent, you can re-enable the protection function on the software.

Linux

X86
  • CentOS 7.4, 7.5, 7.6, 7.7, 7.8, 7.9, 8.0, 8.1, 8.2, 8, 9 (64-bit)
  • Debian 9, 10, 11.0.0, 11.1.0 (64-bit)
  • EulerOS 2.2, 2.3, 2.5, 2.7 and 2.9 (64-bit)
  • Fedora 28 (64-bit)
  • Ubuntu 16, 18, 20.03, 20.04, 22.04 (64-bit)
  • Red Hat 7.4, 7.6, 8.0, 8.7 (64-bit)
  • OpenEuler 20.03 LTS, 22.03 SP3 LTS, 22.03 (64-bit)
  • AlmaLinux 9.0 (64-bit)
  • Rocky Linux 8.4, 8.5 and 9.0 (64-bit)
  • HCE 2.0 (64-bit)
  • Suse 12 SP5, 15 SP2, 15.5 (64-bit)

ARM
  • CentOS 7.4, 7.5, 7.6, 7.7, 7.8, 7.9, 8.0, 8.1, 8.2, and 9 (64-bit)
  • EulerOS 2.8 and 2.9 (64-bit)
  • Fedora 29 (64-bit)
  • Ubuntu 18 (64-bit)
  • Kylin V7 and V10 (64-bit)
  • HCE 2.0 (64-bit)
  • UOS V20 (64-bit)
Parent topic: Quotas