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- Chris Pugson on Exchange Online and MS365 problems due to vulnerability? (March 2025)
- Jason Rohrer on Firefox 122.0.1
- 45 RPM on Outlook Classic: Again forced update to New Outlook app
- Cameron on Windows: UDP storm from dasHost.exe
- GMA on Thunderbird: Update from 102.15.0 to 115.2.0 is offered
Recent Comments
- Chris Pugson on Exchange Online and MS365 problems due to vulnerability? (March 2025)
- Jason Rohrer on Firefox 122.0.1
- 45 RPM on Outlook Classic: Again forced update to New Outlook app
- Cameron on Windows: UDP storm from dasHost.exe
- GMA on Thunderbird: Update from 102.15.0 to 115.2.0 is offered
Tag Archives: Exchange Online
Exchange Online and MS365 problems due to vulnerability? (March 2025)
[German]Microsoft has been struggling with disruptions to its Microsoft 365 services and Exchange Online since February 2025, but is keeping quiet about the cause. I have received information that a bug or vulnerability in Microsoft Exchange Online has led to … Continue reading
Posted in Cloud, issue, Security, Software
Tagged Cloud, Exchange Online, Microsoft 365, Security
1 Comment
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Exchange Online: New limits for Dynamic Distribution Groups (DDGs) from April 2025
[German]Brief information for Exchange Online users and administrators. Microsoft will introduce new limits for Dynamic Distribution Groups (DDGs) from April 2025. This limits the number of Dynamic Distribution Groups (DDGs) that can be used per organization to 3,000. Advertising
Outlook.com service disruption continues on March 13/14, 2025
[German]There is no end to the disruption of the Microsoft cloud service outlook.com. Since March 1, 2025, the cloud services (Exchange Online, outlook.com, outlook.de etc.) have been experiencing repeated outages. The status is also disrupted on March 13 and 14, … Continue reading
Vulnerability cause of Exchange Online and MS 365 problems since March 1, 2025?
[German]Microsoft has been struggling with cloud outages in Exchange Online and Microsoft 365, including the iOS Outlook app, since March 1st, 2025. At the same time, I have just come across information about the CVE-2024-49035 vulnerability on the Microsoft Partner … Continue reading
Microsoft 365/Exchange Online outage from March 1st, 2025 still continues on 3/3/2025?
[German]On March 1, 2025, Microsoft users of MS 365 worldwide were confronted with a disruption to services from around 9:3o p.m. (CET). The disruption was reported as resolved a few hours later. Over the weekend, however, I saw indications that … 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 ...
Message Trace in Exchange Online as Preview
[German]Small addendum to Exchange Online. Microsoft has released the preview for "Message Trance" in Exchange Online on December 16, 2024. The function should be activated for all tenants by the end of December 2024. Administrators will then be able to … Continue reading
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Exchange Online Delicensing Resiliency: Protection against unintentional delicensing actions
[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
Exchange Online: IPv6 Update
[German]Microsoft has supported IPv6 in Exchange Online for outgoing email for some time now and also prefers this for data traffic. In a Techcommunity post dated October 30, 2024, the Microsoft team has now summarized the changes to IPv6 support … Continue reading
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Exchange Online: Inbound SMTP DANE with DNSSEC available
[German]Microsoft has generally released Inbound SMTP DANE with DNSSEC for Exchange Online, after it was already available as a preview in July 2024. The new Inbound SMTP DANE with DNSSEC function in Exchange Online is intended to increase the security … Continue reading
Exchange Online: Basic authentication for client transmission (SMTP AUTH) ends Sept. 2025
[German]I'm adding a topic to the blog that was announced by Microsoft back in April 2024, but hasn't yet received too much attention. A reader had already pointed this out to me some time ago. Microsoft will finally discontinue support … Continue reading