Exchange

August 2023 Exchange Server Security Updates

August 2023 Exchange Server Security Updates

Andres Bohren
Hi All, It’s again Patchday and Microsoft has released Security Updates for Exchange 2016 and 2019. Exchange Team Blog Released: August 2023 Exchange Server Security Updates CVE-2023-21709 Microsoft Exchange Server Elevation of Privilege Vulnerability You have to run a Script after the Installation to Address CVE-2023-21709. The Update fails on Non-English Operating System. Workaround can be found here Exchange Server 2019 and 2016 August 2023 security update installation fails on non-English operating systems
ExchangeOnlineManagement 3.3.0 Preview1 available

ExchangeOnlineManagement 3.3.0 Preview1 available

Andres Bohren
Hi All, Just a few days ago, Microsoft has released a new Preview Version of the ExchangeOnlineManagement PowerShell Module. PowerShell Gallery ExchangeOnlineManagement 3.3.0-Preview1 Release notes for v3.3.0-Preview1: Support to skip loading cmdlet help files with Connect-ExchangeOnline. Global variable EXO_LastExecutionStatus can now be used to check the status of the last cmdlet that was executed. Bug fixes in Connect-ExchangeOnline and Connect-IPPSSession. Support of user controls enablement by policy for features that are onboarded to Viva feature access management.
Exchange Online IMAP and SMTP OAuth 2.0 with Delegated Permissions

Exchange Online IMAP and SMTP OAuth 2.0 with Delegated Permissions

Andres Bohren
Hi All, This Week i had to Troubleshoot an Application with IMAP and SMTP Access to a Shared Mailbox that uses Microsoft Graph Delegated Permissions. I’ve already blogged about how to Use Application Permissions Exchange Online POP and IMAP OAuth 2.0 Client Credentials Flow Exchange Online - Other ways of Testing IMAP OAuth2 Client Credential Flow Register Azure AD (EntraID) Application Register a new Application Note down the following: Display name Application ID Tenant ID Click on “Add a Redirect URI”
Hybrid Configuration Wizard supports REST

Hybrid Configuration Wizard supports REST

Andres Bohren
Hi All, Yesterday i saw an update from the Exchange Team Blog Updated Hybrid Configuration Wizard Available Today, we’re excited to announce the latest release of the Hybrid Configuration Wizard (HCW), which now supports Exchange Online REST-based APIs. We recommend that all customers download the latest version of HCW from https://aka.ms/hybridwizard. For me it started with some Troubleshooting as i got the Errors: “You cannot start application Microsoft Office 365 Hybrid Configuration Wizard from this location becaus it’s allready installed from a diffrent location”.
New Outlook for Windows - Public Preview

New Outlook for Windows - Public Preview

Andres Bohren
Hi All, I’ve tested out the New Outlook (aka “One Outlook”) almost a year ago. Now it is in public Preview and everybody can test it. It’s a Windows Program that uses WebView2 Techology to render OWA Sites in a Window - comparable to a Progressive Web App (PWA). Getting started with the new Outlook for Windows There are still some limitations: the new Outlook for Windows does not support other account types like Yahoo!
ExchangeOnlineManagement 3.2.0 released as GA

ExchangeOnlineManagement 3.2.0 released as GA

Andres Bohren
Hi All, Yesterday Microsoft has released ExchangeOnlineManagemen 3.2.0 PowerShell Module to the PowerShell Gallery. PowerShell Gallery ExchangeOnlineManagement 3.2.0 Here are the Release Notes First, let’s check what we have installed and what is available from the PowerShell Gallery Get-InstalledModule ExchangeOnlineManagement -AllVersions Find-Module ExchangeOnlineManagement I had to uninstall the ExchangeOnlineManagement with the Force Parameter, because i have dependend Modules. Let’s uninstall 3.1.0 and 3.2.0-Preview4 Modules - then install the newest Module from the PowerShell Gallery.
Outlook Calendar - you can't add Distribution List to Calendar Group

Outlook Calendar - you can't add Distribution List to Calendar Group

Andres Bohren
Hi All, Today i had a Supportcase, where the User was not able to add a Distribution List to a Calendar Group. I was pretty sure, that this is possible. Done that many times in the past. In Outlook Calendar > Add Calendar > From Address Book Select a Distribution Group Let’s check the Members You get the Error Message: We can’t add the calendars of everyone in this distribution List (Distribution List Name).
June 2023 Exchange Server Security Updates

June 2023 Exchange Server Security Updates

Andres Bohren
Hi All, Yesterday, Microsoft has released new Exchange Security Updates. Read more at the Blog Post from the Exchange Team Released: June 2023 Exchange Server Security Updates In my case that’s Exchange 2016 CU23 Security Update 8 Security Update For Exchange Server 2016 CU23 SU8 (KB5025903) Description of the security update for Microsoft Exchange Server 2016: June 13, 2023 (KB5025903) Installing the Security Update After the Security Update is installed, it is a good idea to restart the Server.
Microsoft Defender for Office 365 Recommended Configuration Analyzer (ORCA) 2.5 released

Microsoft Defender for Office 365 Recommended Configuration Analyzer (ORCA) 2.5 released

Andres Bohren
Hi All, Just a few Hours ago, the Microsoft Defender for Office 365 Recommended Configuration Analyzer (ORCA) 2.5 was released to the PowerShell Gallery. PowerShell Gallery ORCA 2.5 Seems like some bugs have been closed ORCA Closed Issues Check installed Module and what’s available from the PowerShell Gallery Get-InstalledModule ORCA Find-Module ORCA Uninstall old Module and install the newest one from the PowerShell Gallery Uninstall-Module ORCA Install-Module ORCA Get-InstalledModule ORCA Check what commands are available in the Module
ExchangeOnlineManagement 3.2.0-Preview4 released

ExchangeOnlineManagement 3.2.0-Preview4 released

Andres Bohren
Hi All, Just a few Days ago, Microsoft has released ExchangeOnlineManagement-Preview4 Module to the PowerShell Gallery. PowerShell Gallery ExchangeOnlineManagement 3.2.0-Preview4 According to the Release notes First, let’s check what we have installed and what is available from the PowerShell Gallery Get-InstalledModule ExchangeOnlineManagement -AllVersions Find-Module ExchangeOnlineManagement Ininstall Preview3 and install Preview4 I had to uninstall the ExchangeOnlineManagement with the Force Parameter, because i have dependend Modules. As i have already installed the regular Version of the Module, we need to use the Force Parameter for side by side installation.