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# 2 Host groups

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#### Overview

In the *Data collection* → *Host groups* section users can configure and
maintain host groups. 

A listing of existing host groups with their details is displayed. You
can search and filter host groups by name.

![](../../../../../assets/en/manual/web_interface/host_groups1.png){width="600"}

Displayed data:

|Column|Description|
|--|--------|
|*Name*|Name of the host group. Clicking on the group name opens the group [configuration form](/manual/config/hosts/host_groups#configuration).<br>Discovered host groups are displayed with low-level discovery rule names as a prefix. Clicking on the LLD rule name opens the host prototype [configuration form](/manual/discovery/low_level_discovery/host_prototypes#configuration). Note that discovered host groups are deleted when all LLD rules that discovered it are deleted.|
|*Hosts*|Number of hosts in the group (displayed in gray) followed by the list of group members. <br> Clicking on a host name will open the host configuration form.<br> Clicking on the number will, in the whole listing of hosts, filter out those that belong to the group.|
|*Info*|Error information (if any) regarding the host group is displayed.|

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##### Mass editing options

Buttons below the list offer some mass-editing options:

-   *Enable hosts* - change the status of all hosts in the group to
    "Monitored".
-   *Disable hosts* - change the status of all hosts in the group to
    "Not monitored".
-   *Delete* - delete the host groups. Note that deleting a host group only deletes the logical group, not the hosts in the group. It is not possible to delete a host group that is the only group for some hosts.

To use these options, mark the checkboxes before the respective host
groups, then click on the required button.

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##### Using filter

You can use the filter to display only the host groups you are
interested in. For better search performance, data is searched with
macros unresolved.

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