HM Revenue and Customs faced IT performance problems from high level of digital traffic affecting parts of its IT infrastructure.
A change introduced overnight on Wednesday 30th November 2022 had altered the digital traffic management profile within the IT infrastructure and is considered the likely cause of service degradation.
For the full letter from Jim Harra: click on the following image:
Although the disturbance to the operation of Pay As You Earn is claimed to have been minimal, support lines and application of RTI data appears to have occurred. Employer PAYE online dashboard appears to have a delayed update of November based data.
Chief Executive and First Permanent Secretary
HM Revenue and Customs
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