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System outages

Information for stakeholders affected by USI registry system outages

Current releases and outages

The USI Registry System will be unavailable between 5:15pm and 10:30pm (AEDT) Wednesday 10 December 2025 to allow for scheduled maintenance.

Past releases and outages

Start dateEnd dateAdditional information
5:30pm (AEDT) Wednesday 19 November 20256:30pm (AEDT) Wednesday 19 November 2025The USI Registry System was intermittently unavailable to allow for scheduled maintenance.
11:30pm (AEDT) Friday 14 November 20257:00am (AEDT) Monday 17 November 2025Relationship Authorisation Manager (RAM) was unavailable to allow the ATO to undertake system maintenance.
11:30pm (AEDT) Friday 7 November 20258:30am (AEDT) Sunday 9 November 2025myID and Relationship Authorisation Manager (RAM) was unavailable to allow the ATO to undertake system maintenance.
8:00pm (AEDT) Thursday 6 November 20259:00pm (AEDT) Thursday 6 November 2025The USI Registry System was intermittently unavailable due to scheduled maintenance.
9:00pm (ACDT) Monday 3 November 202510:00pm (ACDT) Monday 3 November 2025The USI Registry System was restarted to allow for 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 October 2025(PDF, 61.63 KB)
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