Title: Users may experience delays receiving email messages from external domains in Exchange Online User impact: Users may experience a delay in receiving email messages from external domains in Exchange Online. More info: Users may experience intermittent “Server busy” errors, affecting multiple mailboxes. Current status: We're investigating a potential issue and checking for impact to your organization. We'll provide an update within 60 minutes.

We are investigating the issue for the listed services.

We are investigating the issue for the listed services.

On September 04, between 02:54 AM UTC to 03:04 AM UTC, subset of users in Japan might have experienced Zoom Phone audio degradation due to an issue with our vendor. Our team will continue to monitor the situation closely and keep you informed of any further developments.

Title: Some users may see the Teams chat icon is missing when using the new chat and channels experience in Microsoft Teams User impact: Users may see the Teams chat icon is missing when using the new chat and channels experience in Microsoft Teams. More info: All Microsoft Teams clients are impacted. Current status: We're investigating a potential issue with Microsoft Teams and checking for impact to your organization. We'll provide an update within 30 minutes.

Cloudflare is investigating issues with R2 buckets in Western North America.

We are investigating a service degradation affecting Grok Bot. Some trigger fires may be dropped.

Cloudflare is aware of and investigating an issue with delays running Cloudflare Workers builds which potentially impacts multiple customers.

On 09/03/2026, Between 21:30 UTC to 21:50 UTC, a subset of users may have experienced issues with SMS delay in North America. This incident has been resolved, and the affected services have been restored.

Starting at 2:12 PM PDT, we began experiencing increased API error rates for STS and Sign In when using SAML in the US-WEST-2 Region. Our engineering team was automatically engaged at 2:19 PM to begin investigating the root cause. There is no work around available at this time. We will provide another update by 3:30 PM PDT.

Computer is degraded. It is reporting insufficient credits wrongfully

Title: Users may be unable to join calls or meetings in Microsoft Teams for Mac User impact: Users may be unable to join calls or meetings in Microsoft Teams for Mac. Current status: We're investigating a potential issue with Microsoft Teams and checking for impact to your organization. We'll provide an update within 30 minutes.

We are investigating a service degradation affecting Grok 4.6

Title: We're looking into a potential problem impacting Microsoft 365 Copilot Chat User impact: We're checking for potential impact to your users. Current status: We're investigating a potential issue impacting Microsoft 365 Copilot Chat and checking for impact to your organization. We'll provide an update within 30 minutes.

We are actively investigating reports of a service disruption affecting JIRA customers in US East. We will share updates here as more information is available.

An upstream OpenAI issue is causing elevated errors for ChatGPT. Some users may experience errors or failed Agent turns. We're monitoring recovery and will provide updates.

We are investigating the issue for the listed services.

We are investigating the issue for the listed services.

We are investigating reports of degraded performance for Copilot AI Model Providers

An upstream Anthropic issue is causing elevated errors for Fable 5.1, Fable 5, Opus 5, Opus 4.8, and Opus 4.6 requests. Some users may experience errors or failed Agent turns. We're monitoring recovery and will provide updates.

On September 03, between 12:02 UTC to 12:17 UTC, subset of users might have experienced Zoom Phone and Contact Center audio degradation in US region. The issue has been successfully resolved. Our team will continue to monitor the situation closely and keep you informed of any further developments.

We are investigating a service degradation affecting All Grok Models, Automations, Cloud Agents, Grok Bot and Review Agents

We are investigating elevated errors on requests to Claude Mythos 5.1, Claude Fable 5.1, and Claude Opus 5. We will provide an update as soon as possible.

We are investigating elevated errors on requests to Claude Mythos 5.1, Claude Fable 5.1, and Claude Opus 5. We will provide an update as soon as possible.

We are investigating elevated errors on requests to Claude Sonnet 5. We will provide an update as soon as possible.

We are investigating elevated errors on requests to Claude Sonnet 5. We will provide an update as soon as possible.

On September 03, between 10:15 UTC to 10:33 UTC, subset of users might have experienced Zoom Phone and Contact Center audio degradation in Europe. The issue has been successfully resolved. Our team will continue to monitor the situation closely and keep you informed of any further developments.

We are investigating an issue affecting a subset of infrastructure within the East US region. Customers may experience service degradation for dependent Azure services. Our teams are actively investigating the cause and working to restore normal operations. More information will be provided as it becomes available.

We investigated an increased level of HTTP 5xx errors and latency affecting services in the Hong Kong region. The issue has now been resolved.

On 09/03/2026, Between 01:00 UTC to 04:00 UTC, users in the Singapore region may have experienced degraded quality with the in-meeting summary for Indonesian language. This incident has been resolved and the affected services have been restored.

ChatGPT Work Mode is experiencing high error rates. We are investigating the issue.

ChatGPT Work Mode is experiencing high error rates. We are investigating the issue.

We are investigating elevated errors on requests to Claude Sonnet 5. We will provide an update as soon as possible.

We are investigating elevated errors on requests to Claude Sonnet 5. We will provide an update as soon as possible.

We are investigating an issue preventing some users from creating new accounts. We will share updates as we learn more.

We are investigating a service degradation affecting Automations, Cloud Agents, and Review Agents where they are failing to start.

Cloudflare is aware of, and investigating, an increased number of errors for Durable Objects in Western North America. The suspected cause is a reduction in routing capacity due to a fibre cut. We are working to mitigate this issue, and update will follow.

Cloudflare is investigating an increased level of errors for customers running Workers scripts in Narita. We are working to analyse and mitigate this problem. More updates to follow shortly.

We're currently investigating degraded performance affecting requests made with Composer 2.5 and Grok 4.6 Fast. While these models are in use, you may encounter failed or retried requests across Automations, Cloud Agents, the CLI, and the IDE. Other models are unaffected.

We have identified and resolved an issue where users who reached a balance of zero usage credits saw delays in the availability of newly purchased credits, resulting in some requests to the Claude API receiving 'credit balance is too low' errors erroneously. This affected credits purchased from 05:10am PT / 12:10 UTC to 2:35pm PT / 21:35 UTC. At this time, newly purchased credits should be available as expected and we are working to resolve any remaining impact.

Cloudflare is investigating an issue with creating new Pipeline resources, including Pipelines, Streams, and Sinks. Existing Pipelines are unaffected. More updates to follow shortly.

One of Cloudflare's peers experienced a route leak, misdirecting some traffic to Palmas, Brazil. We are working to mitigate impact to Internet users in this region.

Some customers using email security gateway like Proofpoint may experience delayed Cloudflare notifications and login codes. Proofpoint is temporarily deferring messages with an SMTP 421 4.7.0 response. Cloudflare will continue retrying delivery.

We are currently investigating a service degradation for a subset of users using Zoom for Google Workspace add-on Our team is actively working to identify the impact and root cause. We will provide an update as soon as more information becomes available. We appreciate your patience as we work to resolve this issue.

We are investigating reports of degraded performance affecting some Claude services, including docs.claude.com. We are working to resolve these issues and will provide an update as soon as possible.

We are actively investigating reports of performance degradation affecting forms functionality. We will share updates here as more information is available.

We are investigating reports of degraded performance affecting some Claude services, including docs.claude.com. We are working to resolve these issues and will provide an update as soon as possible.

We are investigating a service degradation affecting Grok 4.5

We are investigating elevated errors affecting Claude for Microsoft Office 365. We will provide an update as soon as possible.

**Summary** Multiple products in us-central1-b are experiencing network service degradation.  **Description** We are experiencing a networking issue starting Tuesday, 2026-09-01 07:41 US/Pacific. The issue is affecting a portion of the us-central1-b zone. The remaining zones in the region are unaffected. Our network engineering team has put in mitigations and we are seeing services starting to recover. We will provide more information by Tuesday, 2026-09-01 09:30 US/Pacific with current details. We apologize to all who are affected by the disruption. **Customer Symptoms** Customers are experiencing elevated packet loss and errors. * BigQuery * Cloud Dataflow * Cloud SQL * App Engine * Cloud Run * AlloyDB * Cloud Bigtable * Cloud Spanner * Compute Engine * Cloud VPN * Cloud Interconnect * Cloud NAT * Cloud Filestore * Cloud Hybrid Connectivity * Virtual Private Cloud * Google Kubernetes Engine * Looker (Google Cloud core) **Workaround** * Customers with service layer retries may see successful completions as only a portion of the zone is affected. * Customers that are severely affected and have services available in alternate zones can failover to alternate zones.

We are investigating elevated errors affecting Claude for Microsoft Office 365. We will provide an update as soon as possible.

We are investigating reports of degraded performance for Pull Requests

Customers using Freshservice webhook triggers may not receive new updates in their Zaps. We are investigating the disruption with Freshservice and will share further information as it becomes available.

We are aware of an issue impacting Jira Work Item transitions. Affected users may experience errors when attempting to transition issues. Our teams are actively investigating the root cause. We will provide the next update in 60 minutes, or sooner if there is a material update.

We are aware of an issue impacting Jira Work Item transitions. Affected users may experience errors when attempting to transition issues. Our teams are actively investigating the root cause. We will provide the next update in 60 minutes, or sooner if there is a material update.

We are currently investigating this issue.

We are investigating degraded performance for requests that use Composer 2.5. Users may see failed or retried requests in Automations, Cloud Agents, the CLI, and the IDE when Composer 2.5 is used. Other models are unaffected.

We are investigating the issue for the listed services.

We are investigating the issue for the listed services.

We are currently investigating a service degradation affecting Zoom Node, where some users may experience issues with upgrading and provisioning new nodes. Our team is actively working to identify the impact and root cause. We will provide an update as soon as more information becomes available. We appreciate your patience as we work to resolve this issue.

We are investigating reports of degraded Computer tasks.

We have identified an issue causing elevated latency for some Responses API requests. We are working on implementing a mitigation.

Some customers using Proofpoint may experience delayed Cloudflare notifications and login codes. Proofpoint is temporarily deferring messages with an SMTP 421 4.7.0 response. Cloudflare will continue retrying delivery. Affected customers should ask their Proofpoint administrator to allowlist notify.cloudflare.com and Cloudflare IPs 104.30.16.2,104.30.16.3,104.30.16.4,104.30.16.5,104.30.16.6, and 104.30.16.7. If this cannot be configured locally, contact Proofpoint for additional support.

We are investigating reports of degraded performance affecting Claude in Slack, Claude Code on the web, and Code Review. We will provide an update as soon as possible.

We are investigating reports of degraded performance affecting Claude in Slack, Claude Code on the web, and Code Review. We will provide an update as soon as possible.

Some Firefox users may see delayed or failed asset loads on R2 custom domains due to an incorrect HTTP/3 advertisement. We are working on a fix.

Impact

We are investigating reports of elevated errors affecting chats on claude.ai. We will provide an update as soon as possible.

We are investigating reports of elevated errors affecting chats on claude.ai. We will provide an update as soon as possible.

Title: Investigating user reports of Exchange Online issues User impact: We don't have details on impact yet. We're seeing an increase in user reported issues above our alerting threshold. Current status: We are reviewing service telemetry and available information to determine if there is an issue happening and we'll update this message shortly with our latest findings. This communication serves as a preliminary notification about a potential issue affecting your service.

Title: Users may experience issues when utilizing multiple Microsoft 365 services User impact: Users may experience issues when utilizing multiple Microsoft 365 services. More info: Impact includes, but may not be limited to, the below services and scenarios. We will update this list as our understanding of the issue progresses. OneDrive for Business and SharePoint Online: -Users may be unable to load or refresh portions of OneDrive and SharePoint, including account and storage information, search results, Favorites, Followed and Shared With Me content, recent files, lists, and news. Some users may also experience delayed or failed file opening, Office policy-label retrieval, OneDrive synchronization, mobile camera upload, and video playback. Users may see partial page failures, missing or stale content, repeated retries, and operation timeouts rather than a complete platform outage. Exchange Online: -Users may be unable to connect to, or experience degraded functionality, with Exchange Online. All connection methods are affected. Microsoft Teams: -Users may experience issues with calendar functionality and search. Users’ presence may be stale and not update automatically or through manual adjustment. User location adjustment may fail. Microsoft Purview: -Users may face intermittent authorization failures across solutions in Purview. Purview admins can’t access the portal. Additionally, in Microsoft Purview Communication Compliance, users may see errors when loading Communication Compliance policies and Data Loss Prevention (DLP) policies. Communication Compliance policy creation and evaluation may be delayed. Microsoft Defender XDR: -Users may experience intermittent authorization failures across solutions in Defender. Current status: We've identified issues related to a core authentication configuration used by multiple Microsoft 365 services which is resulting in the impact outlined above. We've identified a potential remediation and we're performing tests to ensure its efficacy before applying it more broadly. Scope of impact: Users attempting to perform any of the outlined impact scenarios may be affected by this event. Next update by: Monday, August 31, 2026, at 6:30 PM UTC Preliminary root cause: An issue within a core authentication configuration used by multiple Microsoft 365 services is resulting in impact. Next update by: Monday, August 31, 2026, at 7:30 PM UTC

We have identified that users are experiencing elevated latency for the impacted services. We are working on implementing a mitigation.

We are investigating an issue affecting the Access IP List service, which may result in failures when bypassing users whose IPs are listed in them. Our engineering team is currently working to identify and resolve the root cause. We will provide updates as more information becomes available.

We are investigating an issue affecting Workers KV in the Western Europe Region, which may result in elevated error rates for read requests. Writes are not affected. Our engineering team is currently working to identify and resolve the root cause. We will provide updates as more information becomes available.

We are investigating reports of degraded performance for Copilot AI Model Providers

We are currently investigating a service degradation affecting users using Zoom Contact Center Billing and Reporting Service in EU. Our team is actively working to identify the impact and root cause. We will provide an update as soon as more information becomes available. We appreciate your patience as we work to resolve this issue.

We're currently investigating elevated error rates and response times with payments. We'll post an update soon.

We're currently investigating elevated error rates and response times with payments. We'll post an update soon.

As of 05:15 UTC, some card transactions in Mexico are experiencing elevated declines due to an issuing bank being temporarily unavailable. We're in touch with the card network and will post an update as soon as they become available.