In Office 2011 for Mac, the default Outlook Identity is called Main Identity, but the application allows more than one. Outlook 2011 for Mac gives you some tools to help you manage your Identities. Only one Identity at a time can display in Outlook. To switch Identities in Outlook 2011 for Mac, take these steps. However 'User' is a term used by the Mac OS. An 'Identity' is used by Entourage and Outlook. An Identity contains your database and other files that include your data. Your Identity folder is located in the Microsoft User Data folder (also known as the MUD folder) in your Documents folder. All of your mail, contacts, etc are stored here. A Mac system with MS Outlook uses the Microsoft User Data folder to store the database file with each identity in its own folder. These identities contain user mail data including messages, contacts, tasks, calendars, and more. However, there are certain scenarios where Outlook fails to load and can often lead to corrupt or damaged database.

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Applies to

Windows Server 2016

This reference topic for the IT professional describes the special identity groups (which are sometimes referred to as security groups) that are used in Windows access control.

Special identity groups are similar to Active Directory security groups as listed in the users and built-in containers. Special identity groups can provide an efficient way to assign access to resources in your network. By using special identity groups, you can:

Assign user rights to security groups in Active Directory.
Assign permissions to security groups for the purpose of accessing resources.

Servers that are running the supported Windows Server operating systems designated in the Applies To list at the beginning of this topic include several special identity groups. These special identity groups do not have specific memberships that can be modified, but they can represent different users at different times, depending on the circumstances.

Although the special identity groups can be assigned rights and permissions to resources, the memberships cannot be modified or viewed. Group scopes do not apply to special identity groups. Users are automatically assigned to these special identity groups whenever they sign in or access a particular resource.

For information about security groups and group scope, see Active Directory Security Groups.

The special identity groups are described in the following tables:

Anonymous Logon

Any user who accesses the system through an anonymous logon has the Anonymous Logon identity. This identity allows anonymous access to resources, such as a web page that is published on corporate servers. The Anonymous Logon group is not a member of the Everyone group by default.

Attribute	Value
Well-Known SID/RID	S-1-5-7
Object Class	Foreign Security Principal
Default Location in Active Directory	cn=WellKnown Security Principals, cn=Configuration, dc=<forestRootDomain>
Default User Rights	None

Authenticated Users

Any user who accesses the system through a sign-in process has the Authenticated Users identity. This identity allows access to shared resources within the domain, such as files in a shared folder that should be accessible to all the workers in the organization. Membership is controlled by the operating system.

Attribute	Value
Well-Known SID/RID	S-1-5-11
Object Class	Foreign Security Principal
Default Location in Active Directory	cn=System,cn=WellKnown Security Principals, cn=Configuration, dc=<forestRootDomain>
Default User Rights	Access this computer from the network: SeNetworkLogonRight Add workstations to domain: SeMachineAccountPrivilege Bypass traverse checking: SeChangeNotifyPrivilege

Batch

Any user or process that accesses the system as a batch job (or through the batch queue) has the Batch identity. This identity allows batch jobs to run scheduled tasks, such as a nightly cleanup job that deletes temporary files. Membership is controlled by the operating system.

Attribute	Value
Well-Known SID/RID	S-1-5-3
Object Class	Foreign Security Principal
Default Location in Active Directory	cn=WellKnown Security Principals, cn=Configuration, dc=<forestRootDomain>
Default User Rights	none

Creator Group

A placeholder security identifier (SID) is created in an inheritable access control entry (ACE). When the ACE is inherited, the system replaces this SID with the SID for the primary group of the object’s current owner. The primary group is used only by the Portable Operating System Interface for UNIX (POSIX) subsystem.

Attribute	Value
Well-Known SID/RID	S-1-3-1
Object Class	Foreign Security Principal
Default Location in Active Directory	cn=WellKnown Security Principals, cn=Configuration, dc=<forestRootDomain>
Default User Rights	none

Creator Owner

The person who created the file or the directory is a member of this special identity group. Windows Server operating systems use this identity to automatically grant access permissions to the creator of a file or directory. A placeholder SID is created in an inheritable ACE. When the ACE is inherited, the system replaces this SID with the SID for the object’s current owner.

Attribute	Value
Well-Known SID/RID	S-1-3-0
Object Class	Foreign Security Principal
Default Location in Active Directory	cn=WellKnown Security Principals, cn=Configuration, dc=<forestRootDomain>
Default User Rights	none

Dialup

Any user who accesses the system through a dial-up connection has the Dial-Up identity. This identity distinguishes dial-up users from other types of authenticated users.

Attribute	Value
Well-Known SID/RID	S-1-5-1
Object Class	Foreign Security Principal
Default Location in Active Directory	cn=WellKnown Security Principals, cn=Configuration, dc=<forestRootDomain>
Default User Rights	none

Digest Authentication

Attribute	Value
Well-Known SID/RID	S-1-5-64-21
Object Class	Foreign Security Principal
Default Location in Active Directory	cn=WellKnown Security Principals, cn=Configuration, dc=<forestRootDomain>
Default User Rights	none

Enterprise Domain Controllers

This group includes all domain controllers in an Active Directory forest. Domain controllers with enterprise-wide roles and responsibilities have the Enterprise Domain Controllers identity. This identity allows them to perform certain tasks in the enterprise by using transitive trusts. Membership is controlled by the operating system.

Attribute	Value
Well-Known SID/RID	S-1-5-9
Object Class	Foreign Security Principal
Default Location in Active Directory	cn=WellKnown Security Principals, cn=Configuration, dc=&l

Microsoft Identities Folder Mac