Tim Wintle Thank you for posting your questions in Microsoft Q&A. Currently, Azure DevOps is not supported in Q&A forums. Please ask the experts in the dedicated Azure DevOps forum https://techcommunity.microsoft.com/t5/azure-devops/bd-p/AzureDevOpsForum and https://developercommunity.visualstudio.com/AzureDevOps/report. The product group for DevOps/TFS can assist you with your question.
Supported products of Q&A forums are listed in https://docs.microsoft.com/en-us/answers/products/ (more to be added later).