Vercel Outage History

Vercel experienced an authentication email delivery issue that affected Outlook / Microsoft Exchange users, preventing login verification emails from arriving. Registration emails could also be delayed. The Dashboard component was listed as degraded during the incident. Workarounds included registering via GitHub, GitLab, or Bitbucket. The incident began at Feb 20, 2025 4:06 PM UTC and spanned several hours as the team investigated and monitored the situation, with two official status updates published.

The issue was resolved with the Dashboard component returning to normal at Feb 20, 2025 11:21 PM UTC, after roughly 7 hours and 15 minutes. The provider confirmed the resolution and updated the status accordingly.

Vercel experienced degraded authentication when login verification emails were not delivered to Outlook/Microsoft Exchange users, impacting the login flow for a subset of users. The issue affected the Dashboard component and led to a degradation on the status page, with two updates issued during the incident. The outage began at Feb 20, 2025 2:41 PM UTC and was resolved by Feb 20, 2025 3:41 PM UTC, lasting about one hour. This appears limited to email delivery during login rather than a full service outage.

Some Vercel users could not receive login verification emails, disrupting authentication and delaying sign-ins. The Dashboard component was identified as affected during the incident. The outage began at Feb 18, 2025 7:16 PM UTC and caused email delivery failures for verification links.

The incident lasted roughly 14 hours and 5 minutes, ending with the issue resolved by Feb 19, 2025 9:21 AM UTC. During the period, Vercel issued two status updates detailing the investigation and remediation efforts, and the login email delivery issue was resolved as the Dashboard component returned to normal operation.

Vercel experienced a minor outage affecting GitHub-related dependencies, including GitHub Git Operations, GitHub API Requests, Webhooks, and Pull Requests. Users relying on GitHub-based deployments or automatic syncs could have seen delays or partial failures during the incident. The issue began at 12:11 PM UTC and was resolved by 12:46 PM UTC, lasting about 35 minutes. Three status updates were issued as the situation progressed on Vercel's status page.

An outage in Vercel's ARN1 (Stockholm) Edge Network caused increased request latency, with end users in the Stockholm region experiencing slower responses as traffic was rerouted to nearby regions. The incident also affected the Build & Deploy / Builds component, leading to deployment delays and transient failures during the outage. The issue began with the ARN1 edge node dropping to a degraded state and progressed through a period of instability before recovery.

The Vercel Dashboard Observability feature experienced a data delay affecting observability dashboards and metrics. The issue began at 10:15 AM UTC and was publicly acknowledged later that day with an update at 11:06 PM UTC noting Investigating a data delay in the Dashboard component, with the delay lasting roughly 16 hours.

The Log Drains component at Vercel experienced an outage beginning at 5:11 PM UTC with logs not flowing as expected. This caused delays in log ingestion and could impact downstream logging destinations for users relying on Log Drains. A fix was implemented and the queue began processing by 5:36 PM UTC, with Log Drains expected to start flowing again.

The incident involved 3 status updates from Vercel during the event, and the Log Drains component transitioned from down to degraded to up. The outage lasted about 1 hour and 15 minutes and was resolved by 6:26 PM UTC.

Vercel reported a performance degradation in the SIN1 edge network (Singapore), with functions potentially failing with INTERNAL_FUNCTION_INVOCATION_FAILED. The issue primarily affected users served from the SIN1 region who may have experienced slower responses or intermittent function invocations. The incident began at Feb 10, 2025 12:01 PM UTC and lasted for about 3 hours and 30 minutes, until it was resolved at Feb 10, 2025 3:31 PM UTC. The provider issued 2 status updates during the incident.

The Vercel dashboard experienced errors affecting the UI for a short period. The incident began at 9:41 PM UTC with users reporting dashboard issues, and was resolved by 9:46 PM UTC when the dashboard returned to normal. The Vercel status page indicated an ongoing investigation into the dashboard errors, and subsequent updates showed the dashboard restored and service returning to its normal state.

Vercel experienced a brief authentication issue affecting the Community component, causing elevated authentication errors for Community features. The incident began at 6:58 PM UTC with an investigation, the Community status was elevated to a degraded state at 7:01 PM UTC, and the issue was resolved by 7:26 PM UTC, lasting about 28 minutes. Vercel issued 2 status updates during the incident describing the elevated authentication errors and the subsequent recovery. With the problem resolved, Community users could sign in and access features normally again.