System maintenance

Weekly system maintenance

ATO online systems may be impacted in part or in full for scheduled weekly maintenance at the following times.

Weekly systems release; start and finish times
Start time	End time
Tuesday 11.30pm AEST	Wednesday 7.00am AEST
Thursday 11.30pm AEST	Friday 7.00am AEST
Saturday 11.30pm AEST	Sunday 7.00am AEST

Systems maintenance

ATO online systems may be impacted in part or in full at the following times.

Systems maintenance; start and finish times
Start time	End time	Maintenance type
Saturday 1 May 2021 6.00am AEST	Sunday 2 May 2021 11.00pm AEST	System maintenance
Saturday 7 May 2021 10.00pm AEST	Sunday 9 May 2021 10.00am AEST	Monthly maintenance
Saturday 12 June 2021 10.00pm AEST	Sunday 13 June 2021 10.00am AEST	Monthly maintenance
Friday 18 June 2021 11.30pm AEST	Monday 21 June 2021 7.00am AEST	Quarterly system release – Full or limited functionality may be returned earlier if the Quarterly Release is proceeding ahead of schedule
Saturday 7 August 2021 10.00pm AEST	Sunday 8 August 2021 10.00am AEST	Monthly maintenance
Saturday 4 September 2021 10.00pm AEST	Sunday 5 September 2021 10.00am AEST	Monthly maintenance
Friday 24 September 2021 11.30pm AEST	Monday 27 September 2021 7.00am AEST	Quarterly system release – Full or limited functionality may be returned earlier if the Quarterly Release is proceeding ahead of schedule
Saturday 2 October 2021 9.00pm AEST	Sunday 3 October 2021 10.00am AEDT	Monthly maintenance
Saturday 6 November 2021 10.00pm AEDT	Sunday 7 November 2021 10.00am AEDT	Monthly maintenance
Friday 3 December 2021 11.30pm AEDT	Monday 6 December 2021 7.00am AEDT	Quarterly system release – Full or limited functionality may be returned earlier if the Quarterly Release is proceeding ahead of schedule
Saturday 11 December 2021 10.00pm AEDT	Sunday 12 December 2021 10.00am AEDT	Monthly maintenance
Friday 24 December 2021 11.30pm AEDT	Tuesday 4 January 2022 7.00am AEDT	System maintenance
Friday 11 March 2022 11.30pm AEDT	Monday 14 March 2022 7.00am AEDT	Quarterly system release – Full or limited functionality may be returned earlier if the Quarterly Release is proceeding ahead of schedule

ATO online systems

List of ATO online systems:

Access Manager
ato.gov.au
ATO app (some features)
ATO Online services for agents
ATO Online services for business
ATO Online services for Individuals and Sole Traders
ATO Online services for non-residents
ATO Online services simulator
AUSid
Australian Business Register
Business Portal
Bulk Data Exchange
Data Transfer Facility
Departing Australia Superannuation Payment
EmployerTick
Progress of Return
Practitioner lodgment service
Single Touch Payroll
Small Business Superannuation Clearing House
Standard Business Reporting
SuperTick

See also:

Troubleshooting, Technical help and Performance Dashboards

Troubleshooting – if you are experiencing a system issue or error message.

Technical HelpdeskExternal Link – assistance with technical log-on, connection, firewall and Virtual Private Network (VPN) issues.

Online services for agents dashboardExternal Link – availability and performance of Online services for agents.

Practitioner lodgment service dashboardExternal Link – availability and performance of the practitioner lodgment service.

Superannuation dashboardExternal Link – availability and performance of superannuation enabling service.

Online services for business dashboardExternal Link – availability and performance of Online services for business.

Staying informed

Subscribe to email updates to be alerted when this page is updated.

Subscribe to Tax professionals alerts to receive email or SMS notification for unplanned Online services for agents or PLS maintenance windows and functionality issues.

Last modified: 09 Apr 2021QC 40990