[This is preliminary documentation and subject to change.]
| Common-Name=Link-ID | Admin-Display-Name=Link-ID |
| Admin-Description=Link-ID | Object-Class=Attribute-Schema |
| Attribute-ID=1.2.840.113556.1.2.50 | OM-Syntax=2 |
| Attribute-Syntax=Integer | LDAP-Display-Name=linkID |
| Single-valued | System-Only=TRUE |
| Mapi-ID=\x80C5 | |
| Schema-ID-GUID={bf96799b-0de6-11d0-a285-00aa003049e2} | Comment=used by Exchange |