Microsoft SNDS data display and delays are a multifaceted issue stemming from various sources. Common problems include data stopping unexpectedly (often around the 5th of the month), login errors resolved through workarounds like different browsers or incognito mode, and underlying causes like outdated infrastructure, Microsoft's broader infrastructure challenges, data processing pipelines, filtering and aggregation, and potential system issues. Authentication problems, insufficient sending volume, account permission issues, recent IP/domain changes, and discrepancies in IP reputation reporting also contribute. Microsoft documentation emphasizes processing times, non-real-time updates, and the importance of MSA association. Experts recommend checking authentication settings, verifying IP registration, escalating to support, and understanding the limitations of SNDS as merely an indication, not absolute truth.
7 marketer opinions
Microsoft SNDS data display and delays can stem from various factors including: login loop errors solvable via different browsers or incognito mode, IP reputation reporting inconsistencies, internal data processing issues within Microsoft, incorrect email authentication settings (SPF, DKIM, DMARC), insufficient sending volume to meet reporting thresholds, conflicts with other Microsoft services, account permission problems, recent changes in IP addresses or domains, Microsoft's infrastructure challenges, and the possibility of needing direct contact with Microsoft support for resolution.
Marketer view
Email marketer from Reddit says that sometimes the data isn't there because you haven't sent enough email volume to trigger the thresholds or you haven't been sending email to live Microsoft addresses.
6 May 2023 - Reddit
Marketer view
Email marketer from Reddit suggests that SNDS data delays could be due to inconsistencies in the IP address reputation reporting or Microsoft's internal data processing. They recommend verifying your IPs are correctly registered and checking for announcements from Microsoft.
8 Sep 2022 - Reddit
7 expert opinions
Microsoft SNDS data display issues and delays are frequently encountered, with data often stopping around the 5th of the month. Login errors, such as repeated authentication attempts, are common. The issues are attributed to the outdated infrastructure of SNDS and Microsoft's broader infrastructure challenges, leading to inconsistencies and reporting delays. Users have resorted to workarounds like using different browsers, incognito mode, or even dedicated VMs. Documenting issues and escalating to Microsoft support is recommended.
Expert view
Expert from Email Geeks explains that Microsoft grafted the modern Microsoft login process on top of the 15+ year old SNDS site and it’s always been a bit buggy, and that you can’t actually log out from inside of SNDS, you always have to close windows and clear cookies.
18 Jun 2024 - Email Geeks
Expert view
Expert from Spam Resource highlights that SNDS experiences periodic issues, including data delays and login errors. He attributes this to the outdated infrastructure of the SNDS platform, suggesting it's a common occurrence. Workarounds, like using different browsers or incognito mode, may help with login problems.
5 May 2023 - Spam Resource
4 technical articles
Microsoft's official documentation states that SNDS data delays are due to processing times, potential system issues, filtering and aggregation processes affecting data accuracy, non-real-time updates occurring at specific intervals, system maintenance, and unforeseen data processing pipeline issues. Access is restricted to users with a Microsoft Account (MSA) associated with their sender IP reputation. SNDS data should be regarded as an indication rather than an absolute truth, acknowledging inherent delays and missing information.
Technical article
Documentation from Microsoft Documentation states that SNDS data accuracy can be affected by filtering and aggregation processes. It may not reflect real-time sending activities and is subject to processing delays. Some data might be excluded based on internal Microsoft criteria.
9 Jun 2025 - Microsoft Documentation
Technical article
Documentation from Microsoft Documentation notes that SNDS data is not updated in real-time; updates occur at specific intervals. Delays can happen if there are system maintenance activities or unforeseen issues in data processing pipelines.
23 May 2023 - Microsoft Documentation
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