[This is preliminary documentation and subject to change.]
| Common-Name=System-Must-Contain | Admin-Display-Name=System-Must-Contain |
| Admin-Description=System-Must-Contain | Object-Class=Attribute-Schema |
| Attribute-ID=1.2.840.113556.1.4.197 | OM-Syntax=6 |
| Attribute-Syntax=String(Object-Identifier) | LDAP-Display-Name=systemMustContain |
| Multi-valued | System-Only=TRUE |
| Schema-ID-GUID={bf967a45-0de6-11d0-a285-00aa003049e2} | Comment=Same as Must-Contain but cannot be modified by the end-user |