Third Party Maintenance - Fiserv

Scheduled for Jun 8, 22:00 AEST  -  Jun 9, 04:00 AEST

Scheduled

Reference Number: CHG002656674

Description: Fiserv will be implementing a program of changes to uplift the network technology at the Western Sydney Data Centre (WSDC).

This change is specific to TNS network connectivity.

Platform: TNS network infrastructure
Services: Transaction Processing

Planned Start Time: Monday 8th June 2026 22:00 AEST
Planned End Time: Tuesday 9th June 2026 04:00 AEST

Impact Details: There may be the potential for impact to in-flight transactions as connectivity is failed over to the alternate data centre during the change. Any impacted transactions are expected to be successful on retry.

The failover of connectivity, where there is the potential for impact, will occur at approximately 22:30 AEST.
Posted May 29, 2026 - 14:52 AEST
This scheduled maintenance affects: Processors (Fiserv).