[German]I have recently received an information from a blog reader who is struggling with the fact that some of his users' Microsoft 365 accounts are sporadically deleting contacts.
Social networks
Awards
MVP:
2013 – 2016
WIMVP:
2017 – 2020
Are contacts are suddenly deleted in Microsoft 365?
Windows 10 users are being forced to use the new Outlook app
[German]I'm pulling out one more topic in this blog post that will concern Windows 10 users in February 2025. Microsoft is pushing the new Outlook app onto systems with the February 2025 security update. At the same time, the Windows Mail and Calendar app will be removed. Let's take a look at the facts.
Attackers use ASP. NET key to spread malware
[German]In December 2024, the Microsoft Threat Intelligence team observed limited activity from an unknown attacker using a publicly available, static ASP. NET machine key to inject malicious code and deploy the Godzilla post-exploitation framework.
Windows 11 24H2: WSUS issue – missing SNMP client (FOD install fails)
[German]I'm picking up on a topic here in the blog that I've addressed a couple of days ago within my German blog. It likely causes problems for "enthusiastic" Windows 11 24H2 administrators who rely on the SNMP client (or other missing feature). The SNMP client is missing in this Windows 11 version and cannot be installed via Feature one Demand (FOD) because something is "broken", which interferes with administration via WSUS, for example. But now a kind of workaround is known.
Microsoft 365: Annoying advertising for Python in Excel —
[German]Microsoft just can't help itself and is forcing its business customers in Microsoft 365 to advertise Python in Excel. An administrator among the blog readers pointed this out to me (thanks for that).
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 ...
Windows 11 24H2: Oct./Nov. 2024 patches prevent update installation
[German]Microsoft continues to struggle with update issues for Windows 11 24H2. Security updates from October and November 2024 can cause an issue, that affected machines can no longer install subsequent updates if they were set up using USB media or CD/DVD drives with the corresponding installation images. However, Microsoft has now solved the problem.
Microsoft 365: Outlook for Mac loses access to Exchange On-Premises from October
[German]Brief information or reminder for administrators whose users are using macOS and rely on Microsoft 365 applications. Legacy support for Outlook on the Mac will expire in October 2025. This has implications if Outlook is to access mailboxes from on-premises Exchange server installations.
Posted in issue, macOS, Office
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Critical vulnerability CVE-2025-23114 in Veeam Updater
[German]A critical vulnerability CVE-2025-23114 has been reported in the Veeam Updater. This vulnerability could be used to carry out man in the middle attacks. This affects various products from the provider. Veeam has published corresponding security updates to close the vulnerability.
Vulnerabilities in Progress Kemp LoadMaster (Load-Balancer) Jan 2025
[German]A short note for administrators who use the load balancer LoadMaster from Progress Kemp. On February 5, 2025, a whole series of vulnerabilities affecting older versions of the software became public. The provider has released patches for these, some of which are rated "high" in terms of CVSS rating.
HP Universal Print Driver Series (PCL 6) vulnerabilities
[German]There are vulnerabilities in older HP Universal Print printer drivers (PCL 6 and PostScript) for Windows. The background to this is that these printer drivers use the libjpeg, libpng, OpenSSL and zlib libraries and may have (older) vulnerabilities. HP has issued a security advisory and driver update on January 29, 2025.