Resolved -
This incident has been resolved.
Sep 1, 20:52 AEST
Monitoring -
Transactions for CBA merchants are now processing successfully. We will continue to monitor during the evening for any further problems.
Sep 1, 20:32 AEST
Investigating -
We are currently investigating a problem with CBA merchants receiving '91 - Host or Switch Unavailable' responses for all transactions.
Sep 1, 20:18 AEST
Resolved -
Please see a further update from Fiserv below:
Fiserv would like to advise clients and partners that the issue impacting Mastercard transaction processing has now been resolved. Mastercard transactions are now processing as expected.
Aug 26, 09:59 AEST
Identified -
Fiserv has confirmed they are currently investigating a service disruption to Mastercard Transaction Processing on their side.
Aug 26, 07:50 AEST
Investigating -
We are currently investigating a problem with merchants acquiring via Fiserv (First Data), receiving '91 - Host or Switch Unavailable' responses for some transactions.
Aug 26, 07:48 AEST