Users may experience issues when accessing m365.cloud.microsoft or portal.office.com

Title: Users may experience issues when accessing m365.cloud.microsoft or portal.office.com

User impact: Users may experience issues when accessing m365.cloud.microsoft or portal.office.com.

More info: Users will be redirected to an error page http://m365.cloud.microsoft/error. While we're investigating this issue, users may navigate to m365.cloud.microsoft/apps or m365.cloud.microsoft/search as a potential solution in the interim.

Current status: While we previously observed an improvement to the service, error rates continue to show service degradation. Following further testing, we have ruled out the CDN as the source of the problem and we're continuing to rollback any recent service-side changes to restore service as quickly as possible.

Scope of impact: This issue may potentially impact any user attempting to access Office Home Pages. Specifically, users located in Australia, India, Japan, United States, Asia-Pacific, and South America may be affected.

Next update by: Thursday, October 30, 2025, at 5:00 AM UTC

Title: Users may experience issues when accessing the m365.cloud.microsoft or portal.office.com

User impact: Users may experience issues when accessing the m365.cloud.microsoft or portal.office.com.

More info: Users will be redirected to an error page http://m365.cloud.microsoft/error. While we're investigating this issue, users may navigate to m365.cloud.microsoft/apps or m365.cloud.microsoft/search as a potential solution in the interim.

Current status: While we previously observed an improvement to the service, error rates continue to show service degradation. Following further testing, we have ruled out the CDN as the source of the problem and we're continuing to rollback any recent service-side changes to restore service as quickly as possible.

Scope of impact: This issue may potentially impact any user attempting to access Office Home Pages. Specifically, users located in Australia, India, Japan, United States, Asia-Pacific, and South America may be affected.

Next update by: Thursday, October 30, 2025, at 5:00 AM UTC

Title: Users may experience issues when accessing the m365.cloud.microsoft or portal.office.com

User impact: Users may experience issues when accessing the m365.cloud.microsoft or portal.office.com.

More info: Users will be redirected to an error page http://m365.cloud.microsoft/error. While we're investigating this issue, users may navigate to m365.cloud.microsoft/apps as a potential solution in the interim.

Current status: We're continuing to review diagnostic data and tracing 404 errors related to service-to-CDN calls. We're analyzing data to determine if this issue is due to incorrect file paths or version placeholders in the CDN requests. In parallel, we're reviewing any recent change or deployment that occurred to the service as a troubleshooting step.

Scope of impact: This issue may potentially impact any user attempting to access Office Home Pages. Specifically, users located in Australia, India, Japan, United States, Asia-Pacific, and South America may be affected.

Next update by: Thursday, October 30, 2025, at 4:00 AM UTC

Title: Users may experience issues when accessing the m365.cloud.microsoft or portal.office.com

User impact: Users may experience issues when accessing the m365.cloud.microsoft or portal.office.com.

More info: Users will be redirected to an error page http://m365.cloud.microsoft/error.

Current status: We’re reviewing recent changes and available logging to help narrow down the cause of impact. We’ve confirmed impact may be affecting any user attempting to access the Office Home Pages.

Scope of impact: This issue may potentially impact any user attempting to access Office Home Pages. Specifically, users located in Australia, India, Japan, United States, Asia-Pacific, and South America may be affected.

Next update by: Thursday, October 30, 2025, at 4:00 AM UTC