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System outages

Information for stakeholders affected by USI registry system outages

Current releases and outages

There is currently no scheduled maintenance or outage.

Past releases and outages

Start dateEnd dateAdditional information
6:30pm (AEDT) Wednesday 29 October 2025 9:30pm (AEDT) Wednesday 29 October 2025 The USI Registry System was unavailable to allow for scheduled maintenance.
7:00pm (AEDT) Friday 10 October 20255:00pm (AEDT) Saturday 11 October 2025USI Registry System had a major infrastructure upgrade.
11:30pm (AEST) Tuesday 30 September 20257:00am (AEST) Wednesday 1 October 2025Relationship Authorisation Manager (RAM) was unavailable to allow the ATO to undertake system maintenance.
11:30pm (AEST) Thursday 18 September 20251:00am (AEST) Friday 19 September 2025Relationship Authorisation Manager (RAM) was unavailable to allow the ATO to undertake system enhancements.
11:30pm (AEST) Saturday 6 September 20253:00am (AEST) Sunday 7 September 2025myID was unavailable to allow the ATO to undertake system enhancements.

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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