Category: Exchange

April 19th, 2021 by Exchange
Since we announced in 2019 that we would be retiring Basic Authentication for legacy protocols we have been encouraging our customers to switch to Modern Authentication. Modern Authentication, based on OAuth2, has a lot of advantages and benefits as we have covered before, and we’ve yet to meet a customer who doesn’t think it is a good thing. But the ‘getting there’ part might be the hard part, and that’s what this blog post is about. ...

Keep on reading: Enabling Modern Auth for Outlook – How Hard Can It Be?

Posted in Exchange

April 13th, 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 CU19 and CU20 Exchange Server 2019 CU8 and CU9 Vulnerabilities addressed in the April 2021...

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

Posted in Exchange

April 2nd, 2021 by Exchange
Overview We know that some of our customers leverage Exchange transport rules to prepend subject line or insert the message body to show the email is from external senders. This approach has a few limitations which we heard: You can end up with duplicate [External] tags in subject line if external users keep replying to the thread (some of our customers use customized solutions to remove the duplicates). Adding things to subject line breaks Outlook conversation threading, as the subject line is...

Keep on reading: Native external sender callouts on email in Outlook

Posted in Exchange

April 2nd, 2021 by Exchange
Overview We know that some of our customers leverage Exchange transport rules to prepend subject line or insert the message body to show the email is from external senders. This approach has a few limitations which we heard: You can end up with duplicate [External] tags in subject line if external users keep replying to the thread (some of our customers use customized solutions to remove the duplicates). Adding things to subject line breaks Outlook conversation threading, as the subject line is...

Keep on reading: Native external sender callouts on email in Outlook

Posted in Exchange

March 25th, 2021 by Exchange
We all know that email distribution groups (DGs) are great for easily sharing information or engaging in discussions with a large group of people. Whether it is a DG for business-related discussions or a DG about upcoming yard sales this weekend, DGs have been a helpful part of email life since the beginning of... well... email. Yet, the amount of traffic for some DGs can overload your inbox and become a distraction from all the other important tasks of your job. How do you handle this torrent...

Keep on reading: Block BCC Messages to Distribution Groups in Exchange Online

Posted in Exchange

March 25th, 2021 by Exchange
Exchange hybrid is the only Microsoft migration method that allows you to move mailboxes in both directions between Exchange and Office 365.I'm working with a customer who is offboarding their mailboxes from Exchange Online back to Exchange Server 2016. Several mailboxes cannot be migrated back to on-premises due to the following error:You cannot migrate mailbox '2f15ec3c-b024-4a25-2fdf-bfda9fd806ba' off of Office365 while the mailbox has a connected account enabled. To successfully remove the...

Keep on reading: You cannot migrate mailbox off of Office365 while the mailbox has a connected account enabled

Posted in Exchange

March 16th, 2021 by Exchange
Today we are announcing the availability of quarterly servicing cumulative updates (CUs) for Exchange Server 2016 and Exchange Server 2019. These CUs include fixes for customer reported issues as well as all previously released security updates. Although we mentioned in a previous announcement that this release would be the final cumulative update for Exchange 2016, we do expect to release one more CU for Exchange 2016 next quarter which will includes all fixes made for customer reported and...

Keep on reading: Released: March 2021 Quarterly Exchange Updates

Posted in Exchange

March 11th, 2021 by Exchange
I just published an article describing the differences between using Azure AD Connect and Microsoft's new Azure AD Connect Cloud Sync service. In it, I give the information you need to decide if the new Cloud Sync service is right for you. (Spoiler alert: If you run Exchange hybrid, it isn't.)Please read How to Decide Between Azure AD Connect and Azure AD Connect Cloud Sync on the Practical 365 website.Did you find this information useful? Post a comment and share it with others!

Keep on reading: New Article: How to Decide Between Azure AD Connect and Azure AD Connect Cloud Sync

Posted in Exchange

March 8th, 2021 by Exchange
To help customers more quickly protect their environments in light of the March 2021 Exchange Server Security Updates, Microsoft is producing an additional series of security updates (SUs) that can be applied to some older (and unsupported) Cumulative Updates (CUs). The availability of these updates does not mean that you don’t have to keep your environment current. This is intended only as a temporary measure to help you protect vulnerable machines right now. You still need to update to the...

Keep on reading: March 2021 Exchange Server Security Updates for older Cumulative Updates of Exchange Server

Posted in Exchange

March 3rd, 2021 by Exchange
Yesterday Microsoft posted a blog article, Released: March 2021 Exchange Server Security Updates, for a serious zero-day vulnerability in Exchange Server.URGENT! PLEASE INSTALL THESE SECURITY UPDATES ASAP!  <--Click hereThe security update addresses a vulnerability that was released publicly on the web and every script kiddy is playing around with it.Important Things to KnowThe vulnerability affects ALL versions and update levels of Exchange.The attack starts with an...

Keep on reading: URGENT: Patch your Exchange Servers NOW!

Posted in Exchange