Affected components
Update timeline
- identified Mar 10, 2026, 11:34 AM UTC
We have identified that customers in the UK are receiving an "It has not been possible to establish a connection to your HMRC Mailbox" error when trying to access the HMRC secure mailbox from Sage 50 Payroll. If you are experiencing this issue please reach out HMRC’s Online Services Helpdesk and provide the following information: - Inform them that your are obtaining a ‘Request failed, reason unknown’ error when trying to retrieve notices from the DPS. - Last date a successful retrieval was made, and the first they obtained this error message. This will help HMRC support with the investigations.
- identified Mar 27, 2026, 04:29 PM UTC
If you are experiencing issues when connecting to the HMRC Mailbox in Sage 50 Payroll, please follow the instructions in this LINK.
- resolved Apr 29, 2026, 11:12 AM UTC
If you continiue to experience issues when connecting to the HMRC Mailbox in Sage 50 Payroll, please follow the instructions in this LINK. Sage services continue to perform as expected.
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