[MS-ADTS]: Active Directory Technical Specification (original) (raw)


Share via


Specifies the core functionality of Active Directory. Active Directory extends and provides variations of the Lightweight Directory Access Protocol (LDAP).

This page and associated content may be updated frequently. We recommend you subscribe to the RSS feed to receive update notifications.

Published Version

Date Protocol Revision Revision Class Downloads
9/9/2025 63.0 Major PDF | DOCX

Click here to download a zip file of all PDF files for Windows Protocols.

Previous Versions

Date Protocol Revision Revision Class Downloads
5/19/2025 62.0 Major PDF | DOCX
4/8/2025 61.0 Major PDF | DOCX
6/10/2024 60.0 Major PDF | DOCX Diff
4/23/2024 59.0 Major PDF | DOCX Diff
1/29/2024 58.0 Major PDF | DOCX Diff
9/20/2023 57.0 Major PDF | DOCX Diff
1/20/2023 56.0 Major PDF | DOCX Errata Diff
4/29/2022 55.0 Major PDF | DOCX Diff
6/25/2021 54.0 Major PDF | DOCX Errata Diff
4/7/2021 53.0 Major PDF | DOCX Diff
8/26/2020 52.0 Major PDF | DOCX Errata Diff
3/4/2020 51.0 Major PDF | DOCX Errata Diff
3/13/2019 50.0 Major PDF | DOCX Errata Diff
9/12/2018 49.0 Major PDF | DOCX Errata Diff
3/16/2018 48.0 Major PDF | DOCX Errata Diff
12/1/2017 47.0 Major PDF | DOCX Errata Diff
9/15/2017 46.0 Major PDF | DOCX Errata Diff
6/1/2017 45.0 Major PDF | DOCX Errata Diff
3/16/2017 44.0 Major PDF | DOCX Diff
7/14/2016 43.0 Major PDF | DOCX Errata Diff
10/16/2015 42.0 Major PDF | DOCX Errata
6/30/2015 41.0 Major PDF | DOCX Errata
5/15/2014 40.0 Major PDF | DOCX
2/13/2014 39.0 Major PDF | DOCX
11/14/2013 38.0 Major PDF | DOCX
8/8/2013 37.0 Major PDF | DOCX
1/31/2013 36.0 Major
10/25/2012 35.0 Major
7/12/2012 34.0 Major
3/30/2012 33.0 Major
12/16/2011 32.0 Major
9/23/2011 31.0 Major
6/17/2011 30.1 Minor
5/6/2011 30.0 Major
3/25/2011 29.0 Major
2/11/2011 28.0 Major
1/7/2011 27.0 Major
11/19/2010 26.0 Major
10/8/2010 25.0 Major
8/27/2010 24.0 Major
7/16/2010 23.0 Major
6/4/2010 22.0 Major
4/23/2010 21.0 Major
3/12/2010 20.0 Major
1/29/2010 19.0 Major
12/18/2009 18.0 Major
11/6/2009 17.0 Major
9/25/2009 16.0 Major
8/14/2009 15.0 Major
7/2/2009 14.0 Major
5/22/2009 13.0 Major
4/10/2009 12.0 Major
2/27/2009 11.0 Major
1/16/2009 10.0 Major
12/5/2008 9.0 Major
10/24/2008 8.0 Major
8/29/2008 7.0 Major
7/25/2008 6.0 Major
6/20/2008 5.0 Major
5/16/2008 4.0 Major
3/14/2008 3.1 Minor
1/25/2008 3.0 Major
11/30/2007 2.2 Minor
10/23/2007 2.1 Minor
9/28/2007 2.0 Major
8/10/2007 1.0.3 Editorial
7/20/2007 1.0.2 Editorial
7/3/2007 1.0.1 Editorial
6/1/2007 1.0 Major
2/22/2007 0.01 New

Preview Versions

From time to time, Microsoft may publish a preview, or pre-release, version of an Open Specifications technical document for community review and feedback. To submit feedback for a preview version of a technical document, please follow any instructions specified for that document. If no instructions are indicated for the document, please provide feedback by using the Open Specification Forums.

The preview period for a technical document varies. Additionally, not every technical document will be published for preview.

A preview version of this document may be available on the Windows Protocols - Preview Documents page. After the preview period, the most current version of the document is available on this page.

Development Resources

Find resources for creating interoperable solutions for Microsoft software, services, hardware, and non-Microsoft products:

Plugfests and Events, Test Tools,Development Support, and Open Specifications Dev Center.

Intellectual Property Rights Notice for Open Specifications Documentation

Reservation of Rights. All other rights are reserved, and this notice does not grant any rights other than as specifically described above, whether by implication, estoppel, or otherwise.

Tools. The Open Specifications documentation does not require the use of Microsoft programming tools or programming environments in order for you to develop an implementation. If you have access to Microsoft programming tools and environments, you are free to take advantage of them. Certain Open Specifications documents are intended for use in conjunction with publicly available standards specifications and network programming art and, as such, assume that the reader either is familiar with the aforementioned material or has immediate access to it.

**Support.**For questions and support, please contact dochelp@microsoft.com.