---
title: vendorVersion
description: Version of this LDAP server implementation, which must be unique between two versions.
component: pingds
version: 7.5
page_id: pingds:schemaref:at-vendorVersion
canonical_url: https://docs.pingidentity.com/pingds/8.1/schemaref/at-vendorVersion.html
llms_txt: https://docs.pingidentity.com/pingds/llms.txt
docs_for_agents: https://developer.pingidentity.com/build-with-ai/docs-for-agents.md
superseded_by: https://docs.pingidentity.com/pingds/8.1/schemaref/at-vendorVersion.html
---

# vendorVersion

Version of this LDAP server implementation, which must be unique between two versions.

Access to this attribute may be restricted, so client applications must not expect this attribute to be available.

|                             |                                                                |
| --------------------------- | -------------------------------------------------------------- |
| *Single value*              | true                                                           |
| *Origin*                    | [RFC 3045](https://datatracker.ietf.org/doc/html/rfc3045)      |
| *Usage*                     | dSAOperation                                                   |
| *Ordering matching rule*    | [caseIgnoreOrderingMatch](mr-caseIgnoreOrderingMatch.html)     |
| *OID*                       | 1.3.6.1.1.5                                                    |
| *User modification allowed* | false                                                          |
| *Schema file*               | 00-core.ldif                                                   |
| *Names*                     | vendorVersion                                                  |
| *Substring matching rule*   | [caseIgnoreSubstringsMatch](mr-caseIgnoreSubstringsMatch.html) |
| *Syntax*                    | [DirectoryString](s-DirectoryString.html)                      |
| *Equality matching rule*    | [caseExactIA5Match](mr-caseExactIA5Match.html)                 |
