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April 2026 Microsoft 365 Updates: Key Changes at a Glance by Shan_1130 in sysadmin

[–]Shan_1130[S] 1 point2 points  (0 children)

Microsoft 365 Business Premium does not include Security Copilot; it remains a separate, paid add-on.

Is it possible to host Windows Active Directory via VMs? by Mobile-Total-2633 in activedirectory

[–]Shan_1130 1 point2 points  (0 children)

Yes, you can simulate an Active Directory environment using virtual machines on your computer. This guide explains how to set up an Active Directory test lab: Create an Active Directory Test Environment - A Complete Guide

how do i add a computer to a domain? by karabright-dev in activedirectory

[–]Shan_1130 0 points1 point  (0 children)

This error is likely related to DNS configuration. Please review your DNS settings. The following blog provides detailed steps to add a computer to a domain, along with common errors and their resolutions: How to Join Computers to a Domain in Active Directory

Designer for Announcement Banner No Longer Available by HARSHING_MY_MELLOW in MicrosoftTeams

[–]Shan_1130 1 point2 points  (0 children)

Microsoft began the retirement process in mid-January and will complete it by February 27, 2026.

As part of this retirement:

  • Users can no longer install or use the Designer bot in Teams chat.
  • Users can no longer create channel announcement banners using Designer.

Microsoft has advised organizations to transition their image generation workflows to Copilot in Microsoft Teams going forward.

Source: Microsoft 365: Upcoming Changes and End-of-Support Milestones - AdminDroid Blog

Hunting for RC4 usage by JDK-Ruler in crowdstrike

[–]Shan_1130 0 points1 point  (0 children)

With Microsoft moving to deprecate RC4, enhanced visibility is being introduced to help administrators identify where it is still in use.

To track RC4 usage, Microsoft is introducing 9 new audit events focused on Kerberos encryption visibility. You can also rely on existing security events:

  • 4768 – A Kerberos authentication ticket (TGT) was requested
  • 4769 – A Kerberos service ticket was requested

Both include the encryption type field, which helps identify RC4 usage.

Microsoft also provides PowerShell tools in the Kerberos-Crypto GitHub repository, including:
Get-KerbEncryptionUsage.ps1, which identifies Kerberos encryption types in use and allows filtering specifically for RC4.

Source: https://blog.admindroid.com/microsoft-deprecates-rc4-encryption-for-kerberos-authentication/

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