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  • System maintenance

    This page contains information about planned ATO systems maintenance windows and how to be alerted.

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    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 11:30 pm AEST

    Wednesday 7:00 am AEST

    Thursday 11:30 pm AEST

    Friday 7:00 am AEST

    Saturday 11:30 pm AEST

    Sunday 7:00 am AEST

    Systems maintenance

    ATO online systems may be impacted in part or in full at the following times. Full or limited functionality may be returned earlier if maintenance is proceeding ahead of schedule.

    Systems maintenance – start and finish times

    Start time

    End time

    Maintenance type

    Saturday
    30 September 2023
    9:00 pm AEST

    Sunday

    1 October 2023
    10:00 am AEDT

    Monthly maintenance

    There may be a system degradation impacting Client-to-Agent linking only between 8pm - 9pm

    Saturday

    7 October 2023

    10:00 pm AEDT

    Sunday

    8 October 2023

    6:00 pm AEDT

    System maintenance

    Saturday

    14 October 2023

    9:00 pm AEDT

    Sunday

    15 October 2023

    10:00 am AEDT

    System maintenance

    Saturday
    4 November 2023
    10:00 pm AEDT

    Sunday
    5 November 2023
    10:00 am AEDT

    Monthly maintenance

    Friday
    10 November 2023
    11:30 pm AEDT

    Monday
    13 November 2023
    7:00 am AEDT

    Integrated release

    Saturday
    2 December 2023
    10:00 pm AEDT

    Sunday
    3 December 2023
    10:00 am AEDT

    Monthly maintenance

    Saturday
    9 December 2023
    10:00 pm AEDT

    Sunday
    10 December 2023
    10:00 am AEDT

    Standard release

    Saturday
    3 February 2024
    10:00 pm AEDT

    Sunday
    4 February 2024
    10:00 am AEDT

    Monthly maintenance

    Friday

    23 February 2024

    11:30 pm AEDT

    Monday

    26 February 2024

    7:00 am AEDT

    System maintenance

    Outbound correspondence not available.

    Saturday
    2 March 2024
    10:00 pm AEDT

    Sunday
    3 March 2024
    10:00 am AEDT

    Monthly maintenance

    Friday
    15 March 2024
    11:30 pm AEDT

    Monday
    18 March 2024
    7:00 am AEDT

    Integrated release

    Saturday
    6 April 2024
    10:00 pm AEDT

    Sunday
    7 April 2024
    10:00 am AEST

    Monthly maintenance

    Saturday
    4 May 2024
    10:00 pm AEST

    Sunday
    5 May 2024
    10:00 am AEST

    Standard release

    Saturday
    18 May 2024
    10:00 pm AEST

    Sunday
    19 May 2024
    10:00 am AEST

    Monthly maintenance

    Saturday
    1 June 2024
    10:00 pm AEST

    Sunday
    2 June 2024
    10:00 am AEST

    Monthly maintenance

    Friday
    14 June 2024
    11:30 pm AEST

    Monday
    17 June 2024
    7:00 am AEST

    Integrated release

    Saturday
    3 August 2024
    10:00 pm AEST

    Sunday
    4 August 2024
    10:00 am AEST

    Monthly maintenance

    Saturday
    7 September 2024
    10:00 pm AEST

    Sunday
    8 September 2024
    10:00 am AEST

    Standard release

    Saturday
    14 September 2024
    10:00 pm AEST

    Sunday
    15 September 2024
    10:00 am AEST

    Monthly maintenance

    Saturday
    5 October 2024
    9:00 pm AEST

    Sunday
    6 October 2024
    10:00 am AEDT

    Monthly maintenance

    Saturday
    2 November 2024
    10:00 pm AEDT

    Sunday
    3 November 2024
    10:00 am AEDT

    Monthly maintenance

    Friday
    8 November 2024
    11:30 pm AEDT

    Monday
    11 November 2024
    7:00 am AEDT

    Integrated release

    Saturday
    7 December 2024
    10:00 pm AEDT

    Sunday
    8 December 2024
    10:00 am AEDT

    Monthly maintenance

    Saturday
    14 December 2024
    10:00 pm AEDT

    Sunday
    15 December 2024
    10:00 am AEDT

    Standard release

    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 Foreign Investors
    • ATO Online Services for Individuals and Sole traders
    • ATO Online Services for Non-residents
    • ATO Online Services Simulator
    • AUSid
    • Australian Business Register
    • Bulk data exchange
    • Data transfer facility
    • Departing Australia Superannuation Payment
    • EmployerTICK
    • Online TFN application
    • Progress of return
    • Practitioner Lodgment Service
    • Single Touch Payroll
    • Small Business Superannuation Clearing House
    • Standard Business Reporting
    • SuperTICK

    System maintenance pages for related systems:

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    Troubleshooting, technical help and performance dashboards

    Troubleshooting for businesses and tax practitioners – if you are experiencing a system issue or error message.

    Troubleshooting common errors and issues – 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.

    Keep informed of system availability

    There are 4 ways you can keep informed about both planned maintenance and unplanned system issues:

    Last modified: 26 Sep 2023QC 40990