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Copilot for Security Setup–Recommend Option Using Standalone Experience

Copilot for Security Setup Experience

Copilot for Security became Generally Available on the 1st of April 2024 and now everyone is able to spin up an instance of the AI that is designed from the ground up to be used for security tasks!

There are two ways that an administrator can provision and setup Copilot for Security ( CfS ):

  1. The setup process can be initiated from the CfS admin portal and all setting specified if the admin has the r
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Exchange 2019 CU14 – Extended Protection New Setup Command Line Options

Exchange 2019 CU14 New Setup Options

Exchange 2019 CU14 will enforce the use of Extended Protection (EP) by default.  This is the desired security configuration as we need to harden the traffic to help prevent Attacker In the Middle (AiTM) style attacks.  This is not a new thing, and the Exchange team added support for EP in the previous releases as an optional (but strongly recommended) feature.  The intent was that customers would … Read the rest “Exchange 2019 CU14 – Extended Protection New Setup Command Line Options”

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April 2024 Exchange Server Hotfix Updates – HU

Exchange April 2024 Hotfix Update

Want some updates to go with your updates?  That’s pretty much what you are getting with the April 2024 Exchange updates.  We can split the features which are part of the April 2024 release into two main areas:

  1. Fixing the multiple things that broke with the March 2023 Security Update (SU)
  2. Adding net new features

The April 2024 HU is available for the following builds of Exchange Server:

  • Exchange Serve
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Upgrade to Azure Standard Load Balancer

Azure Outbound Network Options

On September 30, 2025, the Azure Basic Load Balancer will be retired. For more information, see the official announcement. If you are currently using Basic Load Balancer, make sure to upgrade to Standard Load Balancer prior to the retirement date.

You can use the guidance to upgrade, please ensure that all of the steps are followed when you test and then implement the change.  This is due to the fact… Read the rest “Upgrade to Azure Standard Load Balancer”

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Block Incoming OnMicrosoft.com Domains Due To Spam

Block Incoming Email From OnMicrosoft.com Domains

Unfortunately waves of spam from various onmicrosoft.com domains are a thing.  The volume waxes and wanes over time, but this was an annoyance many years ago and remains so even today.  Given that any meaningful organisation on the Internet will have their own brand and identity, it is highly unlikey that legitimate email from customers and partners will originate from an onmicrosoft.com address. … Read the rest “Block Incoming OnMicrosoft.com Domains Due To Spam”

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Unable To Install or Launch Exchange HCW

Unable To Launch Exchange Hybrid Configuration Wizard

You want to run the Exchange Hybrid Configuration Wizard (HCW) and after clicking the link to the HCW in the admin portal or manually browsing to the shortcut URL you are unable to either launch or install the HCW.  Despite using Edge, the HCW application just does not install and/or launch.  All you get is the initial prompt to open the file and nothing else.

For example, if we go to the shortcut … Read the rest “Unable To Install or Launch Exchange HCW”

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Exchange 2016 – CU23 Now Required

Exchange 2016 CU23 Now Required

With the release of Exchange 2019 CU14 today, a separate announcement was added to the release post to highlight that only CU23 is supported for Exchange 2016.  Exchange Server 2016 is supported until the end of its support in 2025, however in order to receive support and to obtain Security Updates (SUs) you must be running CU23.  CU22 and all older releases of Exchange 2016 are no longer supporte… Read the rest “Exchange 2016 – CU23 Now Required”

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Exchange 2019 CU14 Released (2024 H1)

Exchange 2019 CU14 Download

Exchange 2019 CU14 has been released to the Microsoft Volume Licensing Center and the public Microsoft Download site!  Exchange 2019 has a different servicing strategy than Exchange 2007/2010 and utilises Cumulative Updates (CUs) rather than the Rollup Updates (RU/UR) which were used previously.    CUs are a complete installation of Exchange 2019 and can be used to install a fresh server or to upd… Read the rest “Exchange 2019 CU14 Released (2024 H1)”

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Exchange Healthcheck Script– Unable to Connect to Remote Server

Exchange Healthcheck Script - Unable to Connect

Below is a repro of a customer situation where the Exchange Healthcheck script was unable to connect to a remote Exchange server.  The Healthcheck script would run locally with no issues, and reported a clean bill of health.  The ability to run the health verification checks against multiple severs is an important aspect of the healthcheck tool, and means that we do not have to RDP to many servers.… Read the rest “Exchange Healthcheck Script– Unable to Connect to Remote Server”

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Quick Tip–Verify VHDs Mounted In Hyper-V VMs

Using PowerShell to List All Virtual Hard Disks

If you want to easily view all of the VHD or VHDX files that have been configured on Hyper-V VMs, the below PowerShell command makes this easy.

Since I may use a temporary VHDX as a mechanism to copy files into VMs, it sometimes get left mounted and this makes it easy to see which VM has that particular disk file attached.  Creating a temporary VHDX makes it easier to copy large source files to VMs… Read the rest “Quick Tip–Verify VHDs Mounted In Hyper-V VMs”