[MS-NRPC]: Netlogon Remote Protocol By v-pachauhan Archived: 2026-04-06 02:06:54 UTC Specifies the Netlogon Remote Protocol, an RPC interface that is used for user and machine authentication on domain-based networks; to replicate the user account database for operating systems earlier than Windows 2000 backup domain controllers; to discover, manage, and maintain domain relationships of domain members and domain controllers across domains. This page and associated content may be updated frequently. We recommend you subscribe to the RSS feed to receive update notifications. Date Protocol Revision Revision Class Downloads 2/9/2026 49.0 Major PDF | DOCX Click here to download a zip file of all PDF files for Windows Protocols. Date Protocol Revision Revision Class Downloads 11/21/2025 48.0 Major PDF | DOCX 9/9/2025 47.0 Major PDF | DOCX 8/12/2025 46.0 Major PDF | DOCX 7/8/2025 45.0 Major PDF | DOCX 11/19/2024 44.0 Major PDF | DOCX 7/29/2024 43.0 Major PDF | DOCX | Diff https://msdn.microsoft.com/library/cc237008.aspx Page 1 of 8 Date Protocol Revision Revision Class Downloads 4/23/2024 42.0 None PDF | DOCX | Diff 4/9/2024 42.0 Major PDF | DOCX | Diff 12/12/2023 41.0 None PDF | DOCX | Diff 9/20/2023 41.0 Major PDF | DOCX | Diff 4/29/2022 40.0 Major PDF | DOCX | Errata | Diff 6/25/2021 39.0 Major PDF | DOCX | Diff 4/7/2021 38.0 Major PDF | DOCX | Errata | Diff 8/26/2020 37.0 Major PDF | DOCX | Errata | Diff 9/23/2019 36.0 Major PDF | DOCX | Errata | Diff 9/12/2018 35.0 Major PDF | DOCX | Errata | Diff 12/1/2017 34.0 None PDF | DOCX | Diff 9/15/2017 34.0 Major PDF | DOCX | Diff 6/1/2017 33.1 Minor PDF | DOCX | Diff 7/14/2016 33.0 Major PDF | DOCX | Diff https://msdn.microsoft.com/library/cc237008.aspx Page 2 of 8 Date Protocol Revision Revision Class Downloads 10/16/2015 32.0 None PDF | DOCX | Errata 6/30/2015 32.0 Major PDF | DOCX 5/15/2014 31.0 Major PDF | DOCX 2/13/2014 30.1 Minor PDF | DOCX 11/14/2013 30.0 Major PDF | DOCX 8/8/2013 29.0 Major PDF | DOCX 1/31/2013 28.0 Major 10/25/2012 27.0 Major 7/12/2012 26.0 Major 3/30/2012 25.0 Major 12/16/2011 24.0 Major 9/23/2011 23.0 None 6/17/2011 23.0 Major 5/6/2011 22.0 Major https://msdn.microsoft.com/library/cc237008.aspx Page 3 of 8 Date Protocol Revision Revision Class Downloads 3/25/2011 21.3 Minor 2/11/2011 21.2 Minor 1/7/2011 21.1 Minor 11/19/2010 21.0 Major 10/8/2010 20.0 Major 8/27/2010 19.0 Major 7/16/2010 18.1 Minor 6/4/2010 18.0 Major 4/23/2010 17.0 Major 3/12/2010 16.0 Major 1/29/2010 15.0 Major 12/18/2009 14.0 Major 11/6/2009 13.0 Major 9/25/2009 12.0 Major https://msdn.microsoft.com/library/cc237008.aspx Page 4 of 8 Date Protocol Revision Revision Class Downloads 8/14/2009 11.0 Major 7/2/2009 10.0 Major 5/22/2009 9.1 Minor 4/10/2009 9.0 Major 2/27/2009 8.0 Major 1/16/2009 7.1 Minor 12/5/2008 7.0 Major 10/24/2008 6.1 Minor 8/29/2008 6.0 Major 7/25/2008 5.0 Major 6/20/2008 4.0 Major 5/16/2008 3.0 Major 3/14/2008 2.7 Minor 1/25/2008 2.6 Minor https://msdn.microsoft.com/library/cc237008.aspx Page 5 of 8 Date Protocol Revision Revision Class Downloads 11/30/2007 2.5 Minor 10/23/2007 2.4 Minor 9/28/2007 2.3 Minor 8/10/2007 2.2 Minor 7/20/2007 2.1 Minor 7/3/2007 2.0 Major 6/1/2007 1.2.1 Editorial 5/11/2007 1.2 Minor 4/3/2007 1.1 Minor 3/2/2007 1.0 Major 12/18/2006 0.01 New From time to time, Microsoft may publish a preview, or pre-release, version of an Open Specifications technical document for community review and feedback. 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