3.1. Introduction to Users and Groups

Engineering Knowledge Manager

Administration Guide | Chapter 3: Setting Up Users and Groups |

Chapter 3: Setting Up Users and Groups |  | 3.2. Automatic Creation of User Accounts
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## 3.1. Introduction to Users and Groups

The following predefined users are defined in all EKM workspaces and cannot be deleted by any user.

- `ekm_cache_user`: The user account that is used by a cache service to find objects that have been deleted or modified, and to purge obsolete items from the cache.

- `ekm_datalink_user`: The user account used to transfer files to/from PDM systems.

- `ekm_lifecycle_user`: The user account that is used to lock an object associated with a lifecycle while it is under review. This is done so that no other user can modify the object while it is under review.

During installation, a default Root User is also specified. The Root User is the primary administrator for a workspace and the only user who can perform restricted workspace configuration. When a workspace is initialized, a user account is automatically created for the designated Root User. That account cannot be deleted unless a different user is designated as the Root User. See Designating a Root User for details.

The following predefined groups are defined in all workspaces and cannot be deleted by any user.

- `all`: The default group that all users in EKM belong to, regardless of whether or not they have been explicitly assigned to it. Users in this group do not have administrative privileges unless they are also part of the `admin` group.

- `admin`: The group that the Root User and other system administrators belong to. Users in this group have full permissions available and can perform almost any action within EKM. Note that only users with `Shared` access can be members of this group (see Licensing and Access in the Installation Guide), and once added to this group, their access level cannot be changed.

Users are defined on the Administration/Users page in EKM, and groups are defined on the Administration/Groups page.

Figure 3.1: User Accounts in EKM

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