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  1. windows - What is LSASS.exe? And why does it take a lot of …

    May 25, 2017 · LSASS.exe is the Local Security Authentication Server process. Basically it enforces Security Policy. If the process is taking up an inordinate amount of CPU cycles then I …

  2. THIS JUST IN!!!! High LSASS Usage After Windows Update 3B …

    Mar 25, 2024 · Jim and the Directory Services Team here again to alert you to an emerging issue which is an unintended consequence of a recent update released in March 2024. What is …

  3. Deep dive: Logging on to Windows | Microsoft Community Hub

    Jun 7, 2021 · Lsass handles Authentication (Auth) Packages and in the Windows logon process it calls the Negotiate Auth Package. You can see that in the source code that Microsoft provides …

  4. Troubleshooting High LSASS CPU Utilization on a Domain …

    Apr 4, 2019 · LSASS is the Local Security Authority Subsystem Service. It provides an interface for managing local security, domain authentication, and Active Directory processes. A domain …

  5. Server 2025 Security Baseline breaks Failover Cluster

    Feb 10, 2025 · Hello everyone, while testing the Server 2025 Security Baseline with our Hyper-V Hosts in a Failover Cluster, we noticed the Cluster Service (ClusSvc)...

  6. Understanding LDAP Security Processing | Microsoft Community …

    Apr 4, 2019 · Ntdsa.dll runs as a part of the Local Security Authority (LSA), which runs as Lsass.exe . The process of granting access is a two step process; Authentication and …

  7. Windows Server 2025, security baseline | Microsoft Community Hub

    Jan 31, 2025 · We are pleased to announce the release of the recommended security configuration baseline settings for Windows Server 2025.

  8. Troubleshooting a Memory Leak in Lsass.exe | Microsoft …

    Sep 6, 2018 · Memory usage in these tools is referred to in bytes and typically tracked by seeing an increase in the number of private bytes used by a process. Remember, for the purposes of …

  9. Windows 11 having Schannel fatal error 10013 in event log

    Jun 30, 2021 · The Process ID always points to LSASS. The issue started a few days after installing KB5003537 (June 21, 2021-KB5003537 Cumulative Update Preview for .NET …

  10. How to diagnose lsass.exe leaking memory on Server 2022

    Mar 18, 2024 · How to diagnose lsass.exe leaking memory on Server 2022 Since last week, one DC (it differs, depending on reboot order as to which one, so clearly due to something on the …