Category: Exchange

January 1st, 2022 by Exchange
We are aware of and working on an issue causing messages to be stuck in transport queues on Exchange Server 2016 and Exchange Server 2019. The problem relates to a date check failure with the change of the new year and it not a failure of the AV engine itself. This is not an issue with malware scanning or the malware engine, and it is not a security-related issue. The version checking performed against the signature file is causing the malware engine to crash, resulting in messages being stuck...

Keep on reading: Email Stuck in Transport Queues

Posted in Exchange

January 1st, 2022 by Exchange
We are aware of and working on an issue causing messages to be stuck in transport queues on Exchange Server 2016 and Exchange Server 2019. The problem relates to a date check failure with the change of the new year and it not a failure of the AV engine itself. This is not an issue with malware scanning or the malware engine, and it is not a security-related issue. The version checking performed against the signature file is causing the malware engine to crash, resulting in messages being stuck...

Keep on reading: Email Stuck in Transport Queues

Posted in Exchange

January 1st, 2022 by Exchange
We have addressed the issue causing messages to be stuck in transport queues of on-premises Exchange Server 2016 and Exchange Server 2019. The problem relates to a date check failure with the change of the new year and it not a failure of the AV engine itself. This is not an issue with malware scanning or the malware engine, and it is not a security-related issue. The version checking performed against the signature file is causing the malware engine to crash, resulting in messages being stuck...

Keep on reading: Email Stuck in Exchange On-premises Transport Queues

Posted in Exchange

December 10th, 2021 by Exchange
We wanted to let you know that we will not be releasing any Cumulative Updates (CUs) for Exchange Server in December. We will share more information about our next CU release at a later time. In the meantime, please keep your servers updated! The Exchange Team

Keep on reading: December 2021 Exchange Server Cumulative Updates postponed

Posted in Exchange

November 9th, 2021 by Exchange
Microsoft has released security updates for vulnerabilities found in: Exchange Server 2013 Exchange Server 2016 Exchange Server 2019 These updates are available for the following specific builds of Exchange Server: IMPORTANT: If manually installing security updates, you must install .msp from elevated command prompt (see Known Issues in update KB article). Exchange Server 2013 CU23 Exchange Server 2016 CU21 and CU22 Exchange Server 2019 CU10 and CU11 The November 2021 security...

Keep on reading: Released: November 2021 Exchange Server Security Updates

Posted in Exchange

November 4th, 2021 by Exchange
Centralized Mail Transport (CMT) has been in Exchange Online for a while, and we often see customers using it without even realizing why. Because CMT introduces message routing complexity, increases the needed bandwidth because of additional message hops, and creates a dependency on the on-premises Exchange deployment, we thought it would be good to share a deep dive on CMT to help you figure out if you really need it....

Keep on reading: Demystifying Centralized Mail Transport and Criteria Based Routing

Posted in Exchange

November 3rd, 2021 by Exchange
We’re excited to let you know that we are working on a new version of the Exchange Online PowerShell v2 module, built to provide a more secure experience for Exchange Online management. This module (available now in preview as Module 2.0.6-Preview3) enables IT admins to use their Windows client machines for day-to-day management of Exchange Online in their organization without enabling WinRM basic auth! What’s new in this Preview? The new module allows admins to connect to Exchange Online us...

Keep on reading: Exchange Online PowerShell v2 Module Preview – Now More Secure

Posted in Exchange

October 29th, 2021 by Exchange
In September, we announced that we will be deprecating the classic Exchange admin center (EAC). Today, we are sharing details about the next phase of deprecation. Mail flow features hosted in the classic EAC will be retired in December 2021. Between now and December, if an admin clicks on any mail flow feature links in the classic EAC, a banner for these features will be displayed to make it easier to locate the new home for these features. The modern EAC offers an updated and modern UI...

Keep on reading: Deprecation of Mail flow features in classic Exchange admin center in WW service

Posted in Exchange

October 12th, 2021 by Exchange
Microsoft has released security updates for vulnerabilities found in: Exchange Server 2013 Exchange Server 2016 Exchange Server 2019 These updates are available for the following specific builds of Exchange Server: IMPORTANT: If manually installing security updates, you must install .msp from elevated command prompt (do not choose Run after download). Exchange Server 2013 CU23 Exchange Server 2016 CU21 and CU22 Exchange Server 2019 CU10 and CU11 The October 2021 security updat...

Keep on reading: Released: October 2021 Exchange Server Security Updates

Posted in Exchange

October 5th, 2021 by Exchange
Over the last few years, we have invested heavily in Microsoft Graph to enable developers to access the rich data available in Microsoft 365. Microsoft Graph, along with OAuth 2.0, provides increased security and seamless integration with other Microsoft cloud services....

Keep on reading: Upcoming API Deprecations in Exchange Web Services for Exchange Online

Posted in Exchange