> For the complete documentation index, see [llms.txt](https://docs.videc.de/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.videc.de/acron-9.3/en/anlagenkonfiguration/benutzerverwaltung.md).

# User administration

ACRON offers the facility to configure user groups with different access privileges specific to each plant. By means of those access privileges, ACRON modules or subfunctions can be blocked against unauthorized use. ACRON can also be configured for use below a control system level.

The user administration contains all the user accounts set up for the selected plant. Each user account is assigned to a group with the access rights configurable here. An ACRON user has all the rights of the user group to which he/she is assigned. The users can be moved by [drag & drop](/acron-9.3/en/erklaerung_zur_bedienung.md#drag-drop). If a user is moved to a different group, the rights of that group are adopted. ACRON by default creates an [Administrators group](/acron-9.3/en/anlagenkonfiguration/benutzerverwaltung/benutzergruppe.md) and a [Users group](/acron-9.3/en/anlagenkonfiguration/benutzerverwaltung/benutzergruppe.md). This makes it possible to very quickly set up multiple users with identical access rights, and change access rights.

Note

The precondition for compliance with the access rights is the "[User administration active](/acron-9.3/en/anlagenkonfiguration/benutzerverwaltung/benutzergruppen-benutzer.md#bv-aktiv)" status with at least one user assigned the right to [open the Designer](/acron-9.3/en/anlagenkonfiguration/benutzerverwaltung/benutzergruppe/zugriffsrechte_designer/vordefinierte_zugriffsrechte-designer.md) and [configure user administration](/acron-9.3/en/anlagenkonfiguration/benutzerverwaltung/benutzergruppe/zugriffsrechte_designer.md#benutzerverwaltung).


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