Exchange Team Blog

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The_Exchange_Team on 03-02-2021 01:08 PM

We are releasing a set of out of band security updates for Exchange Server.

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The_Exchange_Team on 02-25-2021 10:14 AM

We would like to have Exchange Online customers (who would like to participate in a preview program) help us improve the...

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The_Exchange_Team on 02-22-2021 07:03 AM

To ensure optimal mail flow performance for all customers and protect the health of Exchange services, Microsoft is upda...

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The_Exchange_Team on 02-11-2021 07:26 AM

At Microsoft Ignite 2020, we announced the preview of support for Linux and Windows PowerShell Core in Exchange Online m...

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The_Exchange_Team on 02-04-2021 09:00 AM

We previously announced we would begin to disable Basic Auth for five Exchange Online protocols in the second half of 20...

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The_Exchange_Team on 02-03-2021 08:10 AM

A redirect URI, or Reply-URL, is where an authorization server sends a user once their app has been successfully authori...

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The_Exchange_Team on 02-02-2021 08:56 AM

Administrators who want to limit the app access to a specific set of mailboxes can create an application access policy. ...

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The_Exchange_Team on 01-22-2021 03:03 PM

Microsoft periodically refreshes certificates in Office 365 as part of our effort to maintain a highly available and sec...

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The_Exchange_Team on 01-21-2021 11:37 AM

Continuing on our path to release the new EAC, we wanted to tell you that the Groups feature is now available and what t...

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The_Exchange_Team on 01-19-2021 08:50 AM

It is important for administrators to know of all mailboxes that have forwarding enabled and where the mail is been forw...

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The_Exchange_Team on 01-15-2021 09:23 AM

With the deprecation and disablement of TLS 1.0/1.1. we thought to share some information on what behaviors you might se...

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The_Exchange_Team on 01-11-2021 01:32 PM

In Exchange Online we automatically perform certain public folder mailbox management so you may focus your time managing...

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The_Exchange_Team on 12-15-2020 08:37 AM

Today we are announcing the availability of quarterly servicing cumulative updates for Exchange Server 2016 and 2019.

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The_Exchange_Team on 11-19-2020 10:33 AM

We wanted to share some best practices to prepare the on-premises public folders for migration to Exchange Online

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The_Exchange_Team on 11-17-2020 03:29 PM

Today we are announcing the deprecation of the Outlook REST API beta and Outlook REST API v2.0 and that they will be dec...

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The_Exchange_Team on 10-29-2020 09:23 AM

In this installment of the migration troubleshooting series, we will talk about migrations that are 'Completed with warn...

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The_Exchange_Team on 10-27-2020 12:59 PM

As was announced at Microsoft Ignite 2020, support for plus addressing is now available in Exchange Online. Thanks to ou...

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The_Exchange_Team on 10-22-2020 11:34 PM

Microsoft is updating Azure services to use TLS certificates from a different set of Root Certificate Authorities (CAs)....

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The_Exchange_Team on 10-19-2020 07:37 AM

In this part of migration troubleshooting series, we will talk about ‘slow’ migrations (and how to define when a migrati...

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The_Exchange_Team on 10-16-2020 11:16 AM

Virtual desktop infrastructure (VDI) is defined as the hosting of desktop environments on a central server. It is a form...

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The_Exchange_Team on 10-07-2020 06:32 AM

We're thrilled to announce that our Microsoft Remote Connectivity Analyzer - Office 365 tests now have modern authentica...

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The_Exchange_Team on 10-05-2020 11:34 AM

Continuing our hybrid migration blog post series, we arrived at troubleshooting failed migrations.

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The_Exchange_Team on 09-22-2020 08:01 AM

Lots of Exchange related news announced today at Microsoft Ignite 2020.

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The_Exchange_Team on 09-22-2020 08:00 AM

When Microsoft Ignite 2020 become a digital event we took it as an opportunity to think about the sessions and subjects ...

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The_Exchange_Team on 09-22-2020 08:00 AM

Email and time management seems pretty simple, doesn’t it? How do you know what’s really happening as messages pass from...

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The_Exchange_Team on 09-22-2020 08:00 AM

Today we are announcing several new features and capabilities to help Exchange admins become more efficient and achieve ...

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The_Exchange_Team on 09-22-2020 08:00 AM

At Microsoft Ignite 2020 the Exchange Online Transport team is announcing a variety of updates across the areas of Secur...

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The_Exchange_Team on 09-22-2020 08:00 AM

Today we are happy to announce an update to the Exchange Hybrid Configuration Wizard (HCW) which enables either a Full o...

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The_Exchange_Team on 09-16-2020 12:32 PM

Let’s talk about migration move reports. We will need this knowledge when we get to later parts of hybrid migration blog...

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The_Exchange_Team on 09-15-2020 07:00 AM

Today we are announcing the availability of quarterly servicing cumulative updates for Exchange Server 2016 and 2019.

Latest Comments

in Released: March 2021 Exchange Server Security Updates on 03-03-2021

@csummers93 Safe to ignore. On a heavily used Exchange Server, some of the log files are groomed (deleted) before they are processed.

0 Likes

in Released: March 2021 Exchange Server Security Updates on 03-03-2021

@RonanD560 Schema updates no but note the CU 22 change here. Also make sure that if you are not installing updates from Microsoft Update to follow the Known Issues from the update KB article and run the installer from elevated CMD prompt.

0 Likes

in Released: March 2021 Exchange Server Security Updates on 03-03-2021

Going from 2013 CU9 to CU23 then applying the patch. I have the .net 4.7.2 and the Microsoft Visual C++ 2013 Redistributable (x64) ready to install.2 Node DAG @Nino Bilic Any gotcha's for this? Looks like I don't need to extend Schema?

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in Released: March 2021 Exchange Server Security Updates on 03-03-2021

@Jeff Guillet thanks for this, taking some time to run but certainly easier than checking all CVs individually.I do get this return for CVE-26855, does it mean anything?Import-Csv : Could not find file 'C:\Program Files\Microsoft\Exchange Server\V15\Logging\HttpProxy\Mapi\HttpProxy_2021020123-1.LOG'...

0 Likes

in Released: March 2021 Exchange Server Security Updates on 03-03-2021

@csummers93 It needs to be run directly on each Exchange Server. It already takes about 30 minutes to run. It would take days to run against remote servers.

1 Likes