From 12:16 AM to 12:46 AM UTC The Salesforce Technology team identified a service disruption impacting a small subset of Pardot accounts. During the service disruption, end users would be unable to access the Pardot service.
At this time, service disruption issues has been resolved and full service has been restored. Please contact Support at http://success.pardot.com if you encounter any further issues. We sincerely regret any inconvenience you have experienced as a result of this incident.