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.
![](https://support.huaweicloud.com/eu/hss2.0_faq/public_sys-resources/notice_3.0-en-us.png)
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.
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