Microsoft has provided the following additional information regarding this disruption:

“User Impact: Users may be unable to access or use some features within the Office 365 service.

More info: Users who are able to access the service may experience the following behavior:

Exchange – Some users may be unable to access Outlook on the web. Email access through other protocols may be unaffected.

Power BI – Users may receive ‘Server unavailable’ error or may be unable to log in.

SharePoint – Users may experience latency and stale search results. Further details on SharePoint mitigation can be found under the SI# SP147560.

Microsoft Teams – Users may be unable to access Office documents within Teams.

Intune – Affected users may be unable access the Intune portal or other functionality.

Current status: We’re continuing to connect the affected services to an alternate infrastructure, while remediating the underlying issue within the datacenter.

Scope of impact: This issue could potentially affect any of your users who are hosted out of the San Antonio data center. Impact is specific to a subset of users who are served through the affected infrastructure.”