Exchange

Hi All, Gain visibility with DMARC In the current digital era, email has become a crucial component of both our personal and professional lives. However, with the sophistication of cyber threats rising, it is more important than ever to ensure the security and legitimacy of email communications. This is where Domain-based Message Authentication, Reporting, and Conformance (DMARC) comes into play. The Mailservers of Recipients that support DMARC, provide feedback to domain owners about the use of their domains; this feedback can provide valuable insights about the use and abuse of your domains.

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

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.

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”

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”.

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!

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.

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).

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.

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