Why Hyper-V Live Migrations Fail with 0x8009030E
Hi everyone, my name is Tobias Kathein and I’m a Senior Engineer in Microsoft’s Customer Success Unit. Together with my colleagues Victor Zeilinger, Serge Gourraud and Rodrigo Sanchez from Customer Service & Support we’re going to discuss a real-world scenario ... continue reading
Secure your Infrastructure Monitoring with SCOM
Recent high profile cyberattacks have highlighted the importance of having strong standards and features built into infrastructure monitoring and management tools. Microsoft System Center Operations Manager (SCOM) offers world class monitoring capabilities and includes powerful built-in security features. Our increased ... continue reading
OPS108: Windows authentication internals in a hybrid world
Have you ever wondered what happens when you type your password into Windows? With the cloud becoming a major part of our world, we find ourselves having to talk to both on-premises and cloud-native resources, which dramatically affects what happens ... continue reading
OPS104: Securing SMB from within and without
In this session, Ned Pyle discusses how widely the SMB protocol is used on Windows, Windows Server and in Microsoft Azure. Learn specific strategies to secure it from lateral movement and interception attacks. Speaker: Ned Pyle, Principal Program Manager This ... continue reading

Deep dive into the Solorigate second-stage activation: From SUNBURST to TEARDROP and Raindrop
More than a month into the discovery of Solorigate, investigations continue to unearth new details that prove it is one of the most sophisticated and protracted intrusion attacks of the decade. Our continued analysis of threat data shows that the ... continue reading

Protecting Microsoft 365 from on-premises attacks
Many customers connect their private corporate networks to Microsoft 365 to benefit their users, devices, and applications. However, there are many well-documented ways these private networks can be compromised. As we have seen in recent events related to the SolarWinds ... continue reading
Troubleshooting log on errors to an Azure AD DS domain joined Windows Server VM
If you've created a Windows Server virtual machine in Azure and are joining it to an Azure AD Domain Services managed domain or logging onto it via RDP, there are a couple of errors you can hit. Let's look at ... continue reading
Microsoft Defender for Identity – Azure ATP Daily Operation
Hi IT Pros, I would like to continue the blog about Microsoft Defender for Identity with topic related to the daily operation of SecOp Team who traces all attacks against Identities stored in your on-prem Active Directory domain controllers. Please ... continue reading
MCM: Core Active Directory Internals
First published on TechNet on Jul 22, 2012 Disclaimer: For brevity and to get some key points across, quite a bit of detail about about Active Directory, the underlying database, and replication have been purposely ommitted from this blog. Now, ... continue reading

Trickbot disrupted
As announced today, Microsoft took action against the Trickbot botnet, disrupting one of the world’s most persistent malware operations. Microsoft worked with telecommunications providers around the world to disrupt key Trickbot infrastructure. As a result, operators will no longer be ... continue reading