1. Home
  2. System Developers

System outages

Information for stakeholders affected by USI registry system outages

Current releases and outages

The USI Registry System will be unavailable between 5:00 pm and 6:30 pm AEDT Wednesday 11 March 2026 to allow for scheduled maintenance. We apologise for any inconvenience.

Past releases and outages

Start dateEnd dateAdditional information
9:00 am AEDT Saturday 28 February 202611:30 am AEDT Saturday 28 February 2026The USI Registry System was unavailable to allow for scheduled maintenance.
9:00 pm AEDT Thursday 26 February 202610:30 pm AEDT Thursday 26 February 2026The USI Registry System was intermittently unavailable to allow for scheduled maintenance.
8:00 pm AEDT Monday 16 February 202611:00 pm AEDT Monday 16 February 2026The USI Registry System was unavailable to allow for scheduled maintenance.
11:30 pm AEDT Friday 13 February 2026 7:00 am AEDT Monday 16 February 2026Relationship Authorisation Manager (RAM) was unavailable to allow the Australian Taxation Office (ATO) to undertake system maintenance.
8:00 pm AEDT Thursday 12 February 20266:00 am AEDT Friday 13 February 2026The 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.

System outages past 12 months - as at February 2026(PDF, 86.33 KB)
Did you find the information you were looking for on this page?

Acknowledgement of Country

We acknowledge the Traditional Owners and Custodians of Country throughout Australia and their continuing connections to land, sea and communities. We pay our respects to them, their cultures and their Elders; past, present and emerging.