Tag Archives: Exchange

Microsoft Exchange: When is CU 15 coming? And other news

[German]Microsoft Exchange 2019 administrators have been asking themselves when CU 15, which has been overdue since 2024, will finally be released. Microsoft has now commented on this in a tech community article and also announced further innovations. Exchange 2019 and … Continue reading

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Exchange Emergency Mitigation Service for patched systems only

[German]Since September 2021, Microsoft has provided the Exchange Emergency Mitigation Service (EEMS) for Exchange Server to improve Exchange protection. However, this service only works on systems that are up to date. Microsoft explicitly pointed this out at the end of … Continue reading

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Does Microsoft Exchange Online change the e-mail sender?

[German]I'm posting an observation from a German blog reader that relates to Microsoft's Exchange Online. The reader is confronted with the problem of complaints from business partners about emails that have not "arrived". There is a suspicion that Exchange Online … Continue reading

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Exchange 2016/2019: Nov. 2024 SU not in the Microsoft Update Catalog

[German]Microsoft released security updates for Exchange Server 2016 and Exchange Server 2019 in November 2024. These should actually also be available via the Microsoft Update Catalog, but this is not the case. A blog reader asked me if I knew … Continue reading

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Exchange Server 2019: CU15 delayed until January 2025

[German]A few days ago, I read about the fear that Microsoft would release the Cumulative Update (CU) 15 for Exchange Server 2019 shortly before the holidays in order to be able to hold 2024 for the release. Microsoft has now … Continue reading

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Why ISL Online: Critical factors when choosing a remote desktop solution

[Sponsored Post]In the rapidly evolving IT world, choosing the right remote desktop software is critical for organizations that value security, ease of use and reliability. One provider of secure remote access that has been on the market since 2001 is ISL Online, which presents some considerations for choosing such software below. More ...


Exchange 2016/2019: Nov. 2024 SU v2 also with bug

[German]Microsoft is not really having a good run with its security updates for Exchange Server 2016 and Exchange Server 2019. The version of the security updates released on November 12, 2024 had to be withdrawn due to a bug. Version … Continue reading

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Exchange 2016/2019 now warns against exploiting the spoofing vulnerability CVE-2024-49040 in emails

[German]Microsoft's November 2024 security updates for Exchange, has added a new feature to its Exchange 2016 and Exchange 2019 servers. Microsoft Exchange now warns when receiving emails that exploit a spoofing vulnerability (Exchange Server non-RFC compliant P2 FROM header detection … Continue reading

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Exchange Server: November 2024 security updates pulled

[German]Disaster for administrators of Microsoft Exchange Server 2016 and 2019 systems who have installed the security updates from November 12, 2024. The transport rules no longer work after applying the November 2024 security update. Microsoft has now stopped the deployment … Continue reading

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Microsoft Exchange Server Updates November 12, 2024

[German]Microsoft has released security updates (SU) for Exchange Server 2016 and 2019 on November 12, 2024. These updates close vulnerabilities found by Microsoft or security partners in Exchange Server. Below is an overview of which updates are available for Exchange … Continue reading

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Outlook to Exchange auto-discovery and the duplicate .com.com domain

[German]I'm posting a curious reader observation here in the blog. It's about the auto-discovery of e-mail recipients in Outlook via the auto-discovery service in Microsoft Exchange. One reader noticed a crude problem in this context. Someone seems to have registered … Continue reading

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