[This is preliminary documentation and subject to change.]
| Common-Name=Is-Single-Valued | Admin-Display-Name=Is-Single-Valued |
| Admin-Description=Is-Single-Valued | Object-Class=Attribute-Schema |
| Attribute-ID=1.2.840.113556.1.2.33 | OM-Syntax=1 |
| Attribute-Syntax=Boolean | LDAP-Display-Name=isSingleValued |
| Single-valued | System-Only=TRUE |
| Mapi-ID=\x80C1 | |
| Schema-ID-GUID={bf967992-0de6-11d0-a285-00aa003049e2} | Comment=If True, the attribute cannot be multi-valued |