Exchange Server

Is Your On-Premise Exchange Server Ready for March 22nd 2026?

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If you run an on-premises Exchange Server or any Windows-based SMTP relay that sends mail to or receives mail from Exchange Online, then you might have a hard deadline coming up: March 22, 2026. Miss it, and you can risk breaking your mail flow, if the Root Certificates used by Exchange is not updated. What Is Changing Microsoft Exchange Online is switching its TLS certificates to the DigiCert Global Root G2 certificate authority. This is …

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Exchange Security Updates – October 2023

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It has been Patch Tuesday again and Microsoft has released a new set of important Exchange Security Updates, released together with this month’s Microsoft Updates. It is important to keep Your Exchange Servers up-to-date, see the blog post from the Exchange Team on this: Protect Your Exchange Servers The latest Exchange Security Updates address vulnerabilities found in the following Exchange Servers: For more about the vulnerabilities, see the CVEs: Issued resolved in this release The …

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Exchange Security Updates – August 2023

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It has been Patch Tuesday again and Microsoft has released a new set of important Exchange Security Updates, released together with this month’s Microsoft Updates. It is important to keep Your Exchange Servers up-to-date, see the blog post from the Exchange Team on this: Protect Your Exchange Servers The latest Exchange Security Updates address vulnerabilities found in the following Exchange Servers: For more about the vulnerabilities, see the CVEs: Be aware of the known issues …

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Exchange Security Updates – June 2023

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It is Patch Tuesday again and Microsoft has released a new set of important Exchange Security Updates, released together with this month’s Microsoft Updates. It is important to keep Your Exchange Servers up-to-date, see the blog post from the Exchange Team on this: Protect Your Exchange Servers The latest Exchange Security Updates address vulnerabilities found in the following Exchange Servers: For more about the vulnerabilities, see the CVEs: Issued resolved in this release: The Security …

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2023 H1 Cumulative Update for Exchange Server Released

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Last week Microsoft released the 2023 H1 for Exchange Server 2019, also known as CU13. It is the first major CU since the CU cycle was changed last year. As always it is important to keep Your Exchange Servers up-to-date, see the blog post from the Exchange Team on this: Protect Your Exchange Servers The latest Exchange Cumulative Update (CU13) is only available for the following Exchange Servers: See the list of supported and unsupported …

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