System outages
Information for stakeholders affected by USI Registry System outages
Current releases and outages
The USI Registry System will be unavailable between 5:30 pm and 6:30 pm AEST Wednesday 15 April 2026 to allow for scheduled maintenance. We apologise for any inconvenience.
Past releases and outages
| Start date | End date | Additional information |
|---|---|---|
| 7:00 am AEST Saturday 11 April 2026 | 3:00 pm AEST Saturday 11 April 2026 | The USI Registry System was intermittently unavailable to allow for scheduled maintenance. |
| 8:00 pm AEST Thursday 9 April 2026 | 6:00 am AEST Friday 10 April 2026 | The USI Registry System was intermittently unavailable to allow for scheduled maintenance. |
| 12:00 am AEDT 28 March 2026 | 4:00 am AEDT 28 March 2026 | Document Verification System (DVS) verifications for Citizenship Certificates and Certificates of Registration by Descent was unavailable. |
| 5:00 pm AEDT Wednesday 18 March 2026 | 8:00 pm AEDT Wednesday 18 March 2026 | The USI Registry System was unavailable to allow for scheduled maintenance. We apologise for any inconvenience. |
| 11:30 pm AEDT Friday 13 March 2026 | 7:00 am AEDT Monday 16 March 2026 | Relationship Authorisation Manager (RAM) was unavailable to allow the Australian Taxation Office (ATO) to undertake system maintenance. |
| 8:00 pm AEDT Thursday 12 March 2026 | 6:00 am AEDT Friday 13 March 2026 | The USI Registry System was intermittently unavailable to allow for scheduled maintenance. |
Download the file below for a summary of the USI Registry System outages over the last 12 months.