Microsoft Graph PowerShell SDK V3 Drops Windows PowerShell 5.1 Support: Migration Guide Microsoft announced a 12-month retirement period for Windows PowerShell 5.1 support in the Microsoft Graph PowerShell SDK. Version 3 of... Sep 20, 2026 5 min read Automation / Microsoft
Kerberoasting in 2026: What CVE-2026-20833 and RC4 Disablement Actually Change for Active Directory If any service accounts in your Active Directory environment are still relying on RC4 for Kerberos ticket encryption, Microsoft’s phased... Sep 18, 2026 5 min read Active Directory / Security
Microsoft Entra Conditional Access Custom Controls Are Retiring: Migrating to External MFA Before September 30, 2026 Microsoft is retiring Custom Controls in Microsoft Entra Conditional Access. Creating new Custom Controls or editing existing ones stops working... Sep 16, 2026 5 min read Active Directory / Azure / Security
September 2026 Patch Tuesday: What Windows Server, Active Directory, and Exchange Admins Need to Patch Right Now Microsoft’s September 2026 Patch Tuesday is the largest release in the program’s history: 974 CVEs addressed in a single month,... Sep 15, 2026 6 min read Active Directory / Exchange / Security
Tracing a Domain Compromise: Key Active Directory Logs and Indicators of Compromise to Check First Golden Ticket and DCSync indicators, GPO tampering, AdminSDHolder ACL abuse, SID History injection, and domain controller logon anomalies to check first when AD itself is suspected of compromise. Sep 6, 2026 4 min read Active Directory / Security
How to Investigate a Compromised Exchange Server: A Practical Incident Response Checklist (Exchange 2016/2019) The exact checklist for triaging a suspected Exchange compromise: web shell locations, IIS log indicators, mailbox export/permission abuse, transport rule tampering, and what to preserve before remediating. Sep 6, 2026 4 min read Exchange / Security
How to Extend Your On-Premises Active Directory to Azure: Entra Hybrid Identity Basics What hybrid identity actually means, the three sync options (Entra Connect Sync, Cloud Sync, legacy AAD Connect), and Password Hash Sync vs Pass-through Authentication vs Federation, explained plainly. Sep 6, 2026 4 min read Azure / Cloud Computing
Entra ID Connect Health and Troubleshooting Synchronization Error Synchronization is the backbone of any hybrid identity environment. When your on-premises Active Directory (AD) data isn’t flowing correctly to... Dec 14, 2025 7 min read Active Directory / Microsoft / Windows Server
Migrating Microsoft AD Users Between different Domains with Minimal Data Loss Microsoft’s primary native tool for migrating Active Directory (AD) users between domains remains the Active Directory Migration Tool (ADMT) version... Dec 14, 2025 3 min read Active Directory / Microsoft / Windows Server
How to Fix Domain Reputation Block in Microsoft 365 When your sending domain earns a poor reputation, Microsoft 365 starts throttling or blocking its mail, and messages land in... Dec 14, 2025 3 min read Microsoft
