---
title: vendorVersion
description: Version of this LDAP server implementation, which must be unique between two versions.
component: pingds
version: 8.1
page_id: pingds:schemaref:at-vendorVersion
canonical_url: 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.

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