2022 H1 Cumulative Updates for Exchange Server

In the previous post, I shared that Microsoft has changed the update service for exchange servers.

It has been announced that the updates will now be released as H1 and H2, at which point the updates for the first 2021 H1 have been released.

It is reported that the new released cumulative updates(CUs) include previous security updates(SUs) and fixes for customer reported.

These updates are available for the following specific builds of Exchange Server:

Exchange Server 2019 CU12
Exchange Server 2016 CU23 (The latest cumulative update package of Exchange 2016 won’t be H2 ! )

Please check knowledge base articles for known issues via CU12 or CU23

Further Information and Guidance
Exchange Team Blog
Upgrade Exchange to the latest Cumulative Update
Exchange Updates Step-by-Step Guide
How to Find Exchange Version and Build Number

Have a nice day !

Exchange Server Update Servicing Model Changed !

Microsoft announced in the bulletin it shared yesterday that it has changed the update model for the Exchange Server.

Updates published quarterly (March, June, September, and December) were changed after feedback from customers. And they announced that they have commissioned a new update service.

In the announcement, two CU’s per year – will releasing in H1 and H2 of each calendar year, with general target release dates of March and September (these dates may change).

Next CU will be released in H2 of 2022 only for Exchange 2019, has ended CU’s for Exchange Server 2013 and Exchange Server 2016, only SUs will be released.

Have a nice day !

March 2022 Exchange Server Security Updates

Microsoft Exchange Servers security updates have been released for March 2022.

These updates are available for the following specific builds of the Exchange Server:

Exchange Server 2013 CU23
Exchange Server 2016 CU21 and CU22
Exchange Server 2019 CU10 and CU11

The recommendation is to install these updates immediately to protect your environment.
You can installation security patches if you are in the specified Cumulative Update(CU) versions.

If you aren’t in the specified cumulative updates, you must first installation cumulative updates.

Note : Don't double-click the 'MSP file' to run it. Run Command Prompt (not powershell) as an Administrator.

Further Information and Guidance
Exchange Team Blog
Exchange Updates Step-by-Step Guide
Determine Which Updates are Needed
Security Update Guide

Have a nice day !

Minimum Outlook for Windows version requirements for Microsoft 365

After November 1, 2021, only Outlook 2013 Service Pack 1 (with latest fixes) and later will be able to connect to Microsoft 365 services.

Not supported versions;

  • Outlook 2007
  • Outlook 2010
  • Office 2013 versions earlier than 15.0.4971.1000
  • Office 2016 versions earlier than 16.0.4600.1000

Outlook 2007 or Outlook 2010 is blocked from connecting to Exchange Online.
Users can immediately start using Outlook on the web through a browser.

If you want to find the outlook version information used in your tenant organization, you can use the “Microsoft 365 Reports in the admin center – Email apps usage.

Have a nice day !

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May 2021 Exchange Server Security Updates

Microsoft Exchange Servers security updates have been released for May 2021.

These updates are available for the following specific builds of Exchange Server:

Exchange Server 2013 CU23
Exchange Server 2016 CU19 and CU20
Exchange Server 2019 CU8 and CU9

Recommendation is to install these updates immediately to protect your environment.
You can installation security patches if you are in the specified Cumulative Update(CU) versions.

If you aren’t in the specified cumulative updates, you must first installation cumulative updates.

Note : Don't double-click the 'MSP file' to run it. Run Command Prompt (not powershell) as an Administrator.

Further Information and Guidance
Exchange Team Blog
Vulnerabilities and Exposures
Security Update Guide
Cumulative Update “Tell me the steps

Have a nice day!