Author Archives: guenni

Windows: Microsoft's Bing wallpaper app as "adware"?

Posted on 2024-11-21 by guenni

[German]I'm going to compile an information, that I've just come across, into a post – a second post on a similar topic will follow. Microsoft is offering a new Bing wallpaper app in the App Store that is supposed to … Continue reading →

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Windows 11 24H2: Enterprise-Subscription after Upgrade not valid

Posted on 2024-11-20 by guenni

[German]The other day I came across a case involving a Windows 11 24H2 upgrade issue. Windows clients were upgraded to Windows 11 version 24H2 in a business environment. Afterwards the activation was lost, but it was also no longer possible … Continue reading →

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Exchange Online Delicensing Resiliency: Protection against unintentional delicensing actions

Posted on 2024-11-19 by guenni

[German]Microsoft introduced the "Exchange Online Delicensing Resiliency" feature in Exchange Online at the beginning of November 2024. This allows administrators to protect Exchange Online mailboxes from unintentional de-licensing by granting a 30-day grace period for license removal. Here is some … Continue reading →

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Vulnerabilities in Netwrix PingCastle Pro/Enterprise (Nov. 2024)

Posted on 2024-11-18 by guenni

[German]Brief information for administrators and IT service providers who use PingCastle (now part of Netwrix) to analyze Active Directory security. Due to vulnerabilities in the code, older versions of the Enterprise and Pro editions of the tool should no longer … Continue reading →

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Microsoft 365 MFA mandatory for admins from Feb. 3, 2025

Posted on 2024-11-17 by guenni

[German]Quick note for administrators of Microsoft 365 tenants. As of February 3, 2025, Microsoft will begin enforcing multifactor authentication (MFA) for access to the Microsoft 365 Admin Center. The option to suspend this MFA for 14 days will then be … Continue reading →

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3CX V18 with NFR license: Update to V20 mandatory since Nov. 15, 2024

Posted on 2024-11-16 by guenni

[German]Brief information for IT supporters who use 3CX as a telephone system. The provider has probably significantly reduced the functionalities of 3CX version 18 in the NFR license as of 15 November 2024. Anyone wishing to use the full functionality … Continue reading →

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CISA warns about attacks on 0 day vulnerability in Palo Alto Networks firewalls

Posted on 2024-11-16 by guenni

[German]An unpatched vulnerability (0-day) exist in the firewalls of Palo Alto Networks. The management interface can be accessed via this vulnerability. This 0-day vulneability is already being exploited for attacks. Both the BSI and the US authority CISA have issued … Continue reading →

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Browser trouble II: Nov. 2024 updates for Server 2008/R2 bricks older browsers

Posted on 2024-11-16 by guenni

[German]Microsoft seems to have released security updates for Windows Server 2008 R2 on November 12, 2024. Anyone who had these updates installed subsequently found that the older browsers that could previously be used on these machines no longer work. However, … Continue reading →

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

Posted on 2024-11-16 by guenni

[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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Browser trouble I: Edge tries again to import Google Chrome tabs (Nov. 2024)

Posted on 2024-11-15 by guenni

[German]Brief addendum from this week. Microsoft has once again resorted to dirty tricks to force its users onto the Edge browser. The Edge browser is trying to take over the settings for tabs from the Chrome browser.

Posted in browser, issue | Tagged , | 1 Comment