Tag Archives: Exchange

Microsoft recommends patching Exchange Server (Jan. 2023)

[German]Numerous on-premises Microsoft Exchange servers operating around the world are insecure because they are not up to date with the latest patches. This exposes the systems to risk, and it is critical to run unpatched Exchange servers. In a Jan. … Continue reading

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Microsoft Exchange survey to improve the update process (auto update)

[German]Microsoft is interested in the opinion of Exchange administrators and wants to know in a survey what their opinion is with regard to improving the update situation via CUs for on-premises installations. For this purpose, Redmond has set up an … Continue reading

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How to find weak passwords in Active Directory and eliminate them with PowerShell

[Sponsored Post]Weak or compromised passwords are a known gateway for attackers. If you are able to identify which users in Active Directory (AD) are threatened by this, then PowerShell can help to remedy it. However, PowerShell scripts cannot eliminate basic AD deficits, other tools are needed for this. More ...

Microsoft advises end of support for Exchange Server 2013 on April 11, 2023

[German]Microsoft's on-premises solution Exchange Server 2013 is already a few years old and will reach the end of its support in April 2023. Microsoft has taken this as an opportunity to inform administrators who are still using Microsoft Exchange Server … Continue reading

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Microsoft Exchange January 2023 patchday issues

[German]As of January 10, 2023 (Patchday), Microsoft has released security updates for Exchange Server 2013, Exchange Server 2016, and Exchange Server 2019. These security updates close two vulnerabilities (Elevation of Privilege and Spoofing) in this software, but have known bugs … Continue reading

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Exchange Reporter 3.12 available

[German]Brief note for Exchange administrators. Probably administrators of Microsoft Exchange (on-premises) installations know the Exchange Reporter by Frank Zöchling. The tool generates statistics for a Microsoft Exchange Server and outputs them as a report. Frank Zöchling released Exchange Reporter version … Continue reading

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Exchange Online PowerShell V2 soon deprecated, replaceb by PowerShell V3

[German]Brief note for administrators of Exchange Online instances. Microsoft announced in December 2022 that PowerShell V2 will be "deprecated" as of June 2023. From then on, the relevant PowerShell modules will no longer work. Anyone using PowerShell modules to administer … Continue reading

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Exchange Server security updates (November 8, 2022)

[German]Microsoft has released security updates for Exchange Server 2013, Exchange Server 2016 and Exchange Server 2019 as of November 8, 2022. These updates are intended to address NotProxyShell vulnerabilities that have been known (and already exploited) since late September 2022, … Continue reading

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Exchange Server security updates (October 11, 2022)

[German]Microsoft has released security updates for Exchange Server 2013, Exchange Server 2016 and Exchange Server 2019, effective October 11, 2022. These updates are intended to address vulnerabilities reported by external security partners or found by Microsoft. However, the 0-day vulnerabilities … Continue reading

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Exchange Server: New 0-day (not NotProxyShell, CVE-2022-41040, CVE-2022-41082)

[German]We're likely to get security updates for on-premises Exchange Server (2016-2019) in a few hours that will hopefully close the two 0-day vulnerabilities (CVE-2022-41040, CVE-2022-41082) known since late September 2022. But there is likely another 0-day vulnerability in Exchange Server … Continue reading

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Exchange Server: Microsofts improves solutions for 0-day mitigation again (October 8, 2022)

[German]One more addendum regarding On-Premises Exchange Server (2016-2019) and the two 0-Day vulnerabilities (CVE-2022-41040, CVE-2022-41082) known since the end of September 2022. As of the weekend (October 8, 2022), Microsoft had again tweaked its articles to mitigate these vulnerabilities. In … Continue reading

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