Exchange Server Archives - Practical 365

PowerShell Serialization Payload Signing in Exchange Server

Jaap Wesselius — Tue, 16 Apr 2024 10:00:00 +0000

In this article, Jaap Wesselius discusses PowerShell serialization, what PowerShell serialization payload signing is, why this is important, and how to manage it.

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How Exchange Uses SSL Certificates

Jaap Wesselius — Tue, 06 Feb 2024 11:00:00 +0000

In this article, Jaap Wesselius reviews the different types of Exchange Server certificates, their uses, and how to manage them.

The post How Exchange Uses SSL Certificates appeared first on Practical 365.

Cyber Roundtable with Microsoft’s Alex Weinert on Storm-0558 & Identity Protection. Plus the New Teams & Exchange Security: The Practical 365 Podcast S4 E6

Steve Goodman — Fri, 20 Oct 2023 21:00:00 +0000

On the show this week, Steve, Paul and Rich are joined by Microsoft's VP Director of Identity Security, Alex Weinert, to discuss almost all things related to securing identities. We hear about what happened behind the scenes during Storm-0558, and we discuss essential steps to protect Microsoft 365. And we discuss the latest news in the world of Microsoft 365 - in particular we discuss the new Teams 2.1 client that recently became GA, and for those still running on-premises or Hybrid Exchange Servers, it is time to get patching.

The post Cyber Roundtable with Microsoft’s Alex Weinert on Storm-0558 & Identity Protection. Plus the New Teams & Exchange Security: The Practical 365 Podcast S4 E6 appeared first on Practical 365.

Heard at TEC: Has the Microsoft Cloud Killed On-Premises Servers

Becky Cross — Mon, 02 Oct 2023 10:00:00 +0000

Has the Microsoft Cloud Killed On-Premises Servers? Well... Thats up for debate! And that is exactly what Tony Redmond and Greg Taylor did at TEC 2023. This blog goes over main points from their debate, while providing some insights to help you decide if you should be moving to the cloud.

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What to Do About Exchange On-Premises After Microsoft Starts to Block Messages

Becky Cross — Tue, 08 Aug 2023 10:00:00 +0000

In this blog, Becky Cross reviews some key Takeaways and next steps from the recent TEC Talk: What to Do About Exchange On-Premises After Microsoft Starts to Block Messages.

The post What to Do About Exchange On-Premises After Microsoft Starts to Block Messages appeared first on Practical 365.

Exchange Server 2019 Gains Support for Modern Authentication

Tony Redmond — Thu, 04 May 2023 13:41:57 +0000

After seemingly ignoring the situation for years, Microsoft delivered modern authentication for Exchange Server (for pure on-premises organizations) in Exchange 2019 CU13. The solution uses ADFS to issue and manage the OAuth 2.0 tokens and is supported by the latest version of Outlook for Windows. Support for other clients is in the works.

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Using PowerShell to Get Exchange Mailbox Database Size and Available New Mailbox Space

Jaap Wesselius — Mon, 17 Apr 2023 10:00:00 +0000

Unfortunately, Exchange mailbox databases don’t shrink, and the last thing you want is your server running out of disk space. In this blog, we explore how to monitor your Exchange mailbox database size and available new mailbox space through PowerShell.

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Free/Busy Sharing with Multiple Exchange Servers and Microsoft 365 Tenants

James Yip — Mon, 06 Mar 2023 11:00:00 +0000

My team has recently worked on some projects featuring multi-tenant and multi-Exchange environments. A common requirement for all projects is the ability to share free/busy information across all environments. In this article, I will dive into using free/busy sharing with Exchange/Microsoft 365 in the worldwide cloud. Sharing Free/Busy Information Let’s start with the obvious issues: […]

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What We Can Learn from the Rackspace Breach

Paul Robichaux — Thu, 19 Jan 2023 11:39:00 +0000

In early December 2022, Rackspace had a major breach in their exchange environment that led to customers' mail data being stolen. This article explains what happened and what can be learned from this incident.

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A trio of Security Bugs in Exchange and New Azure AD sync features: Practical 365 Podcast S3 E19

Steve Goodman — Wed, 18 Jan 2023 18:03:16 +0000

In this week's Practical 365 Podcast, Steve and Paul Discuss new security updates for Exchange Server, what you should do if you are still on Exchange Server 2013, Azure AD Cross Tenant Sync arrives in the roadmap for imminent release, and much more!

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