[Major] Issues with Downloads, Preview, Box Notes and Box Sign

Final update

We recently addressed issues affecting downloads, preview, and Box Notes. We would like to take the opportunity to further explain these issues and the steps we have taken to keep them from happening in the future. Between 10:07 PM PDT and 11:16 PM PDT on October 29, 2025, some users may have experienced difficulties while working in Box. During this time, users may have encountered problems downloading or previewing files and using Box Notes. The issue was caused by a disruption with one of our third-party cloud partners. We resolved the issue by restarting and scaling up the impacted backend services. In addition, we are examining how to improve our resiliency in these scenarios to prevent similar issues from occurring in the future. ‌ **Analysis** This issue was triggered by a maintenance operation at one of our third-party cloud providers. During this operation, we encountered increased latency between several components in our US cloud regions. Because impact during this issue was limited to US cloud regions, Box Zones customers were not impacted. With the corrective actions outlined below, we strive to prevent or greatly minimize impact to customers from future similar incid

1. Postmortem · Nov 7, 01:59 UTC
   We recently addressed issues affecting downloads, preview, and Box Notes. We would like to take the opportunity to further explain these issues and the steps we have taken to keep them from happening in the future. Between 10:07 PM PDT and 11:16 PM PDT on October 29, 2025, some users may have experienced difficulties while working in Box. During this time, users may have encountered problems downloading or previewing files and using Box Notes. The issue was caused by a disruption with one of our third-party cloud partners. We resolved the issue by restarting and scaling up the impacted backend services. In addition, we are examining how to improve our resiliency in these scenarios to prevent similar issues from occurring in the future. ‌ **Analysis** This issue was triggered by a maintenance operation at one of our third-party cloud providers. During this operation, we encountered increased latency between several components in our US cloud regions. Because impact during this issue was limited to US cloud regions, Box Zones customers were not impacted. With the corrective actions outlined below, we strive to prevent or greatly minimize impact to customers from future similar incidents. ‌ **Corrective Actions** Box has initiated the following corrective actions: * Updated our client timeouts to be more fault-tolerant in the face of third party disruptions * Improved our regional resiliency through increased geo-redundancy for external dependencies * Updated our internal incid
2. Resolved · Oct 30, 06:51 UTC
   After further monitoring, this incident is now considered resolved. The affected services have been restored to full functionality. If you continue to experience any issues, please contact Box Support at https://support.box.com.
3. Monitoring · Oct 30, 06:16 UTC
   Our team has taken steps to remediate this issue and is seeing improvements. We are continuing to monitor for any additional impact.
4. Identified · Oct 30, 05:50 UTC
   Our team has identified the underlying cause of this issue and is working to take remediating steps. We will provide additional updates as they become available.
5. Investigating · Oct 30, 05:36 UTC
   We are continuing to investigate this issue.
6. Investigating · Oct 30, 05:29 UTC
   We are investigating an ongoing issue affecting Downloads, Preview, Box Sign and Box Notes. We will provide more information as soon as it is available.