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# Use Multiple HPE Media Servers

It is possible to configure multiple HPE Media Servers to use the same rolling buffer configuration file. You can have a maximum of one HPE Media Server writing video into a rolling buffer, but other HPE Media Servers can read content from the rolling buffer.

If you configure multiple HPE Media Servers to use the same rolling buffer configuration file, you must:

- grant read access to the rolling buffer configuration file to all of the HPE Media Servers.
- grant write access to the rolling buffer configuration file to only one HPE Media Server. If you need to change the settings for your rolling buffers, you must send actions to this HPE Media Server.
- allow only one HPE Media Server to write video into each rolling buffer. The `Stream` parameter in a rolling buffer encoding task specifies which rolling buffer to write video to.

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