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2,908

NTLM vs Kerberos

JoshMora on Apr 23 2024 07:47 AM
In this post, we will go through the basics of NTLM and Kerberos. We will explain using the three Ws, covering what the ...
1,992

Speaking in Ciphers and other Enigmatic tongues fresh content update!

JIMT05 on Apr 03 2024 04:27 AM
This article was first published on TechNet on Dec 08, 2015, Hi! Jim Tierney here again to talk to you about Cryptograph...
20.8K

THIS JUST IN!!!!  High LSASS Usage After Windows Update 3B March 2024

JIMT05 on Mar 25 2024 03:16 PM
THIS JUST IN!!!! High LSASS Usage After Windows Update 3B March 2024 
4,076

We need to discuss the Microsoft Certification Authority Web Enrollment (CAWE) Role

RobGreene on Mar 14 2024 03:17 PM
Hello everyone, this is Rob Greene. I recently had a case where a customer was having trouble with the CAWE pages. I rea...
3,614

So, you think you’re ready for enforcing AES for Kerberos?

Chris_Cartwright on Mar 08 2024 03:45 PM
We have many customers asking questions about how to track down the usage of RC4 in their environment. Over the years, w...
2,433

Stop Worrying and Love the Outage, Vol II: DCs, custom ports, and Firewalls/ACLs

Chris_Cartwright on Feb 26 2024 01:32 PM
Today, we focus on an aspect of security theater that is constantly producing outages: Messing with Active Directory por...
14.5K

Stop Worrying and Love the Outage, Vol I: Group Policy and Sharing Violations

Chris_Cartwright on Jan 26 2024 07:43 AM
Today, we delve into why it really does matter where you edit group policy.
3,607

KRB_AP_ERR_BAD_INTEGRITY

jessev on Jan 12 2024 01:38 PM
8,329

Windows Server vNext at Microsoft Ignite, and What's New in Active Directory Technical Takeoff

Ryan Ries on Nov 28 2023 12:48 PM
Hey everybody, Ryan Ries here with a quick heads-up that there is some hot-off-the-presses content you need to check out...
23.4K

Preview of SAN URI for Certificate Strong Mapping for KB5014754

Ryan Ries on Apr 06 2023 08:33 PM
Hello, this is Matthew Palko, senior product management lead in Enterprise & Security, and today I have some information...
16.3K

Having issues since deploying November 2022 Security Updates to your domain controller?

DavidFisher on Dec 13 2022 01:36 PM
Hello, Chris here from Directory Services support team. Taking a breather from the phone calls. In the past few weeks, t...
20.3K

So, you say your DC’s memory is getting all used up after installing November 2022 security update

DavidFisher on Dec 13 2022 01:35 PM
After installing the November 2022/Out of Band update on your domain controllers you might experience a memory leak happ...
431K

What happened to Kerberos Authentication after installing the November 2022/OOB updates?

DavidFisher on Dec 13 2022 01:35 PM
With the November 2022 security update, some things were changed as to how the Kerberos Key Distribution Center (KDC) Se...
60.9K

November 2022 Out of Band update released! Take action!

JR_Nieves on Nov 18 2022 03:53 PM
Greetings from the Windows Directory Services team!The team wanted to bring to your attention the November 17th, 2022 re...
39.9K

Active Directory Web Services Event 1202

Ryan Ries on Jul 10 2020 07:07 AM
Hey there! Josh Mora here, with a brief post on an issue I recently had and wanted to make public, in hopes this will he...
34.5K

Deep Dive: Active Directory ESE Version Store Changes in Server 2019

Ryan Ries on Apr 04 2019 08:30 PM
First published on TechNet on Oct 02, 2018 Hey everybody.
48.5K

TLS Handshake errors and connection timeouts? Maybe it’s the CTL engine….

Ryan Ries on Apr 04 2019 08:29 PM
First published on TechNet on Apr 10, 2018 Hi There! Marius and Tolu from the Directory Services Escalation Team.
20.8K

ESE Deep Dive: Part 1: The Anatomy of an ESE database

Lindakup on Apr 04 2019 08:28 PM
First published on TechNet on Dec 04, 2017 hi!Get your crash helmets on and strap into your seatbelts for a JET engine /...
17.8K

Introducing Lingering Object Liquidator v2

Ryan Ries on Apr 04 2019 08:25 PM
First published on TechNet on Oct 09, 2017 Greetings again AskDS!Ryan Ries here.
7,789

Active Directory Experts: apply within

JustinTurner on Apr 04 2019 08:25 PM
First published on TechNet on Jul 26, 2017 Hi all! Justin Turner here from the Directory Services team with a brief anno...
16.8K

Using Debugging Tools to Find Token and Session Leaks

Ryan Ries on Apr 04 2019 08:25 PM
First published on TechNet on Apr 05, 2017 Hello AskDS readers and Identity aficionados.
19K

Troubleshooting failed password changes after installing MS16-101

Lindakup on Apr 04 2019 08:21 PM
First published on TechNet on Oct 13, 2016 Hi!Linda Taylor here, Senior Escalation Engineer in the Directory Services sp...
11.8K

Access-Based Enumeration (ABE) Troubleshooting (part 2 of 2)

JustinTurner on Apr 04 2019 08:20 PM
First published on TechNet on Sep 21, 2016 Hello everyone! Hubert from the German Networking Team here again with part t...
35.1K

Access-Based Enumeration (ABE) Concepts (part 1 of 2)

JustinTurner on Apr 04 2019 08:20 PM
First published on TechNet on Sep 01, 2016 Hello everyone, Hubert from the German Networking Team here.

Latest Comments

rfostermisd
in We need to discuss the Microsoft Certification Authority Web Enrollment (CAWE) Role on May 15 2024 06:14 AM
@RobGreene Thanks for the quick reply! If you can pass along the suggestion of such a feature, that would be great. I have a small PKI and I'm having to either create a second certificate issuing server on Linux or use something jankey like ACME-Server-ADCS that I found on github. It may work but in...
0 Likes
SokratisZotos
in First Issuance manual, with automated renewals on May 15 2024 03:42 AM
Thanks for sharing this @RobGreene, cool stuff !!!
0 Likes
RobGreene
in We need to discuss the Microsoft Certification Authority Web Enrollment (CAWE) Role on May 14 2024 02:54 PM
Hey @rfostermisd To my knowledge I am not aware of any ACME client or server components being developed for the operating system at this time. If the product group is working on something for an upcoming OS release, they do not talk to us in support about that and if I knew anything I we in support ...
0 Likes
rfostermisd
in We need to discuss the Microsoft Certification Authority Web Enrollment (CAWE) Role on May 14 2024 02:16 PM
@RobGreene When will ACME protocol support come?
0 Likes
RobGreene
in What happened to Kerberos Authentication after installing the November 2022/OOB updates? on May 13 2024 01:35 PM
@Angelo111 You would need to give way more information than this to be able to tell you what would happen. However the first thing to do is to look at everything individually first. The goal is to first look at what encryption type is supported for each then apply the masking to remove encryption ty...
0 Likes