---
title: memberUid
description: OID
component: pingds
version: 8.1
page_id: pingds:schemaref:at-memberUid
canonical_url: https://docs.pingidentity.com/pingds/8.1/schemaref/at-memberUid.html
---

# memberUid

|                             |                                                                                          |
| --------------------------- | ---------------------------------------------------------------------------------------- |
| *OID*                       | 1.3.6.1.1.1.1.12                                                                         |
| *Names*                     | memberUid                                                                                |
| *Syntax*                    | [DirectoryString](s-DirectoryString.html)                                                |
| *Equality matching rule*    | [caseExactMatch](mr-caseExactMatch.html)                                                 |
| *Ordering matching rule*    | [caseIgnoreOrderingMatch](mr-caseIgnoreOrderingMatch.html)                               |
| *Substring matching rule*   | [caseIgnoreSubstringsMatch](mr-caseIgnoreSubstringsMatch.html)                           |
| *Single value*              | false: multiple values allowed                                                           |
| *User modification allowed* | true                                                                                     |
| *Usage*                     | userApplications                                                                         |
| *Origin*                    | [draft-howard-rfc2307bis](https://datatracker.ietf.org/doc/html/draft-howard-rfc2307bis) |
| *Schema file*               | 04-rfc2307bis.ldif                                                                       |
| *Used by*                   | [SolarisProject](oc-SolarisProject.html), [posixGroup](oc-posixGroup.html)               |