Nov 6, 11:57 EST
Resolved - Update as of 16:50 UTC.: The system delays have been resolved and full service has been restored. All backend processing has been resumed. 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.
Nov 6, 11:23 EST
Identified - The Salesforce Technology team has paused back end processing while investigating system delays during as of 15:44 UTC on 6 November. From 15:44 to 16:04, a small subset of users may have experienced issues logging into Pardot. Updates will be posted here as new information becomes available.