A unique value of variable length used to identify a user account, group account, or logon session to which an ACE applies.
| CN | Security-Identifier |
| Ldap-Display-Name | securityIdentifier |
| Size | - |
| Update Privilege | - |
| Update Frequency | - |
| Attribute-Id | 1.2.840.113556.1.4.121 |
| System-Id-Guid | bf967a2f-0de6-11d0-a285-00aa003049e2 |
| Syntax | String(Sid) |
Implementations
Windows 2000 Server
| Link-Id | - |
| MAPI-Id | - |
| System-Only | False |
| Is-Single-Valued | True |
| Is Indexed | False |
| In Global Catalog | False |
| NT-Security-Descriptor | O:BAG:BAD:S: |
| Range-Lower | - |
| Range-Upper | - |
| Search-Flags | 0x00000000 |
| System-Flags | 0x00000010 |
| Classes used in | Security-Principal Trusted-Domain |
Windows Server 2003
| Link-Id | - |
| MAPI-Id | - |
| System-Only | False |
| Is-Single-Valued | True |
| Is Indexed | False |
| In Global Catalog | True |
| NT-Security-Descriptor | O:BAG:BAD:S: |
| Range-Lower | - |
| Range-Upper | - |
| Search-Flags | 0x00000000 |
| System-Flags | 0x00000010 |
| Classes used in | Security-Principal Trusted-Domain |
Windows Server 2003 R2
| Link-Id | - |
| MAPI-Id | - |
| System-Only | False |
| Is-Single-Valued | True |
| Is Indexed | False |
| In Global Catalog | True |
| NT-Security-Descriptor | O:BAG:BAD:S: |
| Range-Lower | - |
| Range-Upper | - |
| Search-Flags | 0x00000000 |
| System-Flags | 0x00000010 |
| Classes used in | Security-Principal Trusted-Domain |
Windows Server 2008
| Link-Id | - |
| MAPI-Id | - |
| System-Only | False |
| Is-Single-Valued | True |
| Is Indexed | False |
| In Global Catalog | True |
| NT-Security-Descriptor | O:BAG:BAD:S: |
| Range-Lower | - |
| Range-Upper | - |
| Search-Flags | 0x00000000 |
| System-Flags | 0x00000010 |
| Classes used in | Security-Principal Trusted-Domain |
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Build date: 11/6/2008