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Exploring ExchangeOnlineManagement 3.7.0: Features and Changes

What's new in the Exchange Powershell Module, and what are the reasons?

ExchangeOnlineManagement 3.7.0 brings several updates and enhancements to the Exchange Online PowerShell module. This release introduces new features like extended message trace history, optional help file loading, and improvements to inbound IPv6 support. Additionally, Microsoft has updated the timeline for external recipient rate limits and introduced new cmdlets for managing these changes.

Transition to New Outlook (or Opt-out)

The New Outlook for Windows is here, delivering a seamless, productive, and familiar experience for commercial customers. This version integrates advanced productivity features and the latest innovations. Microsoft has planned a migration process (staged rollout) to ensure a predictable transition, with an opt-out option available for those not ready to switch. Early adopters can benefit from a 10-20% reduction in Outlook incidents, making this transition a win for reliability and efficiency.

Maester v1 (New Teams & Exchange Tests)

I am happy to refer to the release of Maester v1 1, a significant update that brings a bunch of new features and improvements. Since the release in March, the community has been working to build up the functionality and stability of Maester. This update includes a substantial increase in the number of tests, growing from 96 to 194, ensuring a wider usability.

Uninterrupted calls with Voice isolation (Teams)

Voice isolation, now available on both MacOS and Windows, uses AI to remove background noise, focusing primary on your voice for clear calls and meetings—wherever you are. This AI-powered enhancement focuses on your voice, ensuring only your speech is transmitted, even in busy or noisy environments.

Opt-in to Enable or Disable IPv6 in Exchange Online (without DANE)

Starting October 16, 2024, Microsoft will enable IPv6 for all customer Accepted Domains using Exchange Online. This upgrade offers improved security, scalability, and performance by utilizing IPv6.

Organizations need to update their network allow-lists (Firewall) to permit Exchange Online IPv6 endpoints and modify any IP-based inbound connectors referencing IPv4 (Connector, Rules). It is possible to stay with IPv4-only traffic, domains can be opted out over a PowerShell cmdlet. After October 16, if no preference is set, IPv6 will be enabled by default, potentially affecting inbound email traffic.

Switch to UnifiedAuditLog from MailboxAuditLog (and AdminAuditLog)

Microsoft is going to retire Audit Log cmdlets from the 'Exchange Online PowerShell' module starting from September 2024. Instead, they recommend using the Unified Audit Log (UAL) for auditing.

  • MailboxAuditLog: The Mailbox Audit Log cmdlets will have a separate deprecation date, which will be announced early next year.
  • AdminAuditLog: Two Admin Audit Log cmdlets, Search-AdminAuditLog and New-AdminAuditLog (New-AdminAuditLogSearch), will retire on September 15, 2024. It's recommended to use Search-UnifiedAuditLog instead.

Entra or Microsoft Graph PowerShell

Since June 2024, a new option has become available for transitioning legacy PowerShell scripts away from the deprecated AzureAD module. Below are examples and thoughts on which option might suit your path to solving this challenge. The 'Entra PowerShell' module, currently in Public Preview, shows great potential to soon be ready for production environments.

Passkey (FIDO2, CBA, SSH, MFA)

Over the years, we've been familiar with SSH key-based authentication, deploying a restricted set of FIDO2 Security keys, and experimenting with certificate-based authentication (CBA). However, due to complexity and platform limitations, we've faced challenges in widespread implementation, resulting in a reliance on extensive MFA through Authentication Apps or even SMS (considered weak). The introduction of the new Passkey holds the promise of rewriting this history.