Resolved: User Interface Performance Issues on EU1 Carlos Rios Updated May 18, 2026 23:04 DESCRIPTION Affected Product Proofpoint Essentials EU1 User Interface Symptoms Proofpoint Essentials EU1 Interface may be slow or unresponsive for some users Start Time 30-May-2023 07:14 AM UTC Efficacy Not impacted Stable Time 30-May-2023 10:28 AM UTC UPDATE: This is resolved. EU1 UI access should be accessible as normal.