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April 2021 Microsoft Exchange Server Security UpdatesFrank282 DaysInformationExchange Server3 Comments

Microsoft has released security updates for vulnerabilities found in: Exchange Server 2013 Exchange Server 2016 Exchange Server 2019 These updates are available for the following ...

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Native external sender callouts on email in OutlookDani293 DaysInformationOutlook & Mail

We know that some of our customers leverage Exchange transport rules to prepend subject line or insert the message body to show the email is ...

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Why Hyper-V Live Migrations Fail with 0x8009030EDani299 DaysInformationHyper-V1 Comment

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 ...

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Internet of Things (IoT) Market to Exhibit 24.9 CAGR till 2027abhijeet309 DaysIMHOInformation Services

The global Internet of Things (IoT) market is set to gain impetus from the rising adoption of digital twin by a wide range of industries. ...

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March 2021 Quarterly Exchange UpdatesDani309 DaysInformationExchange Server8 Comments

Today we are announcing the availability of quarterly servicing cumulative updates (CUs) for Exchange Server 2016 and Exchange Server 2019. These CUs include fixes for ...

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Windows Admin Center version 2103 is now generally availableDani325 DaysInformationWindows Server1 Comment

Today we are excited to announce the general availability of Windows Admin Center version 2103! A big THANK YOU to the Windows Admin Center community, ...

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Spamhaus DNSBL return codes - Technical updateDani329 DaysInformationE-Mail

Spamhaus' primary data sets are published in DNS zones known as DNSBLs. Users of that data ask the zone a question (a "query") and the ...

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Upcoming changes to mailbox receiving limits: Hot Recipients ThrottlingDani332 DaysInformationMicrosoft1 Comment

To ensure optimal mail flow performance for all customers and protect the health of Exchange services, Microsoft is updating the way in which we enforce ...

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Managing deployment of RBCD-Protected User (CVE-2020-16996)Dani347 DaysInformationMicrosoft

Summary If you use Protected Users and Resource-Based Constrained Delegation (RBCD), a security vulnerability may exist on Active Directory domain controllers. To learn more about ...

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Basic Authentication and Exchange Online - February 2021Dani350 DaysInformationExchange Server

We previously announced we would begin to disable Basic Auth for five Exchange Online protocols in the second half of 2021. Due to the pandemic ...

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Windows Defender SmartScreen - File and Flash Player blockage problemDani1 YearInformationMicrosoft

SmartScreen has become a part of Windows 10 OS, it was named as Windows Defender SmartScreen. It is useful to protect not just Edge, Internet ...

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Understanding email scenarios if TLS versions cannot be agreed on with Exchange OnlineDani1 YearInformationExchange Server

By now you are hopefully aware of the TLS 1.0/1.1 deprecation efforts that are underway across the industry and Microsoft 365 in particular. Head out ...

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Enhanced Security Admin Environment RetirementDani1 YearInformationMicrosoft7 Comments

The Enhanced Security Admin Environment (ESAE) architecture (often referred to as red forest, admin forest, or hardened forest) is a legacy on-premises approach to providing ...

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The Mysterious Case of the Self-Moving FSMO RolesDani1 YearInformationWindows User Management

Hello all! This is Chris Cartwright from Directory Services. I had a coworker, Eric Jansen, reach out to me from the field and ask about ...

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MSIX - Using the Bulk Conversion ScriptsDani1 YearInformationHyper-V3 Comments

Hello everyone, this is Ingmar Oosterhoff, a Modern Workplace Customer Engineer at Microsoft. In an earlier series of posts we set up our environment to ...

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The Bastion powered by OVHDani1 YearInformationSecurity Tools4 Comments

Bastions are a cluster of machines used as the unique entry point by operational teams (such as sysadmins, developers, database admins, ) to securely connect ...

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Deprecation Notice for Outlook REST API v2.0Dani1 YearInformationOutlook & Mail

Microsoft Graph is the modern API for the Microsoft 365 platform. We make continuous, significant investments in its security, performance, and features to ensure it ...

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Core Active Directory InternalsDani1 YearInformationWindows Server

Now, there is no possible way to cover every possible detail from every day during the MCM. Consequently, my plan is to cover the concepts ...

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Exchange News and Announcements - Microsoft Ignite 2020Dani1 YearInformationExchange Server10 Comments

Today we are announcing that the next versions of Exchange Server, SharePoint Server, Skype for Business Server and Project Server will be available in the ...

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Manage USB Devices on Windows HostsDani1 YearInformationMicrosoft1 Comment

Raven is a Miniature Schnauzer that doesn’t like small critters in the yard unless they can fly. This gives Raven an insurmountable challenge, since my ...

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SMB Compression: Deflate your IODani1 YearInformationMicrosoft

Hi folks, Ned Pyle guest-posting today about SMB Compression, a long-awaited option coming to Windows, Windows Server, and Azure. As you know, the growth of ...

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Microsoft Exchange Updates Release - September 2020 QuarterlyDani1 YearInformationExchange Server1 Comment

Moin, Today we are announcing the availability of quarterly servicing cumulative updates for Exchange Server 2016 and 2019. These updates include fixes for customer reported ...

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Memory Leaks in a ProcessDani1 YearInformationWindows Server

My name is Jeffrey Worline, and I am a Senior Support Escalation Engineer on the Windows Performance Team at Microsoft. This blog addresses troubleshooting leaks ...

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Decrypting the Selection of Supported Kerberos Encryption TypesDani1 YearInformationWindows Server

In recent months Microsoft support has received a lot of questions regarding disabling RC4 for the encryption of Kerberos tickets. If I had to guess ...

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Microsoft Advanced Threat Protection for LinuxDani1 YearInformationMicrosoft

Microsoft Defender Advanced Threat Protection (MD ATP) support for Linux with kernel version 3.10.0-327 or later, including the following Linux flavours : Red Hat Enterprise ...

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December 2019 Quarterly Exchange Updates releasedDani2 YearsInformationExchange Server3 Comments

Today we are announcing the availability of quarterly servicing cumulative updates for Exchange Server 2016 and 2019. These updates include fixes for customer reported issues ...