> For the complete documentation index, see [llms.txt](https://docs.devolutions.net/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.devolutions.net/rdm/ribbon-menu-bar/file/background-services.md).

# Background services

The ***Synchronizers*** feature centralizes all your synchronizers entry in one place.

When experiencing a performance degradation with Remote Desktop Manager, verify if a synchronizer is running in the background causing the system to slow down.

#### Is online

***Is online*** allows you to verify and change the settings of your server's online availability.

<figure><img src="https://cdnweb.devolutions.net/docs/RDMW6033_2024_2.png" alt=""><figcaption></figcaption></figure>

<table><thead><tr><th width="293.20001220703125">OPTION</th><th>DESCRIPTION</th></tr></thead><tbody><tr><td>Enable check for server availability</td><td>Server is pinged to determine if they are available. Server will be displayed in "red" in the tree view if not available.</td></tr><tr><td>Execute automatic check every</td><td>Execute the online check automatically each determined amount of minutes.</td></tr><tr><td>Check if host is online</td><td>If the option is <em><strong>On</strong></em>, the application will verify if the host is online.</td></tr><tr><td>Online detection</td><td><p>If the <em><strong>Check if host is online</strong></em> option is enabled, select the detection method between:</p><ul><li>Ping</li><li>Port scan</li></ul></td></tr></tbody></table>


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