The Azure DevOps Migration Tools allow you to bulk edit and migrate data between Team Projects on both Microsoft Team Foundation Server (TFS) and Azure DevOps Services. Take a look at the documentation to find out how. This project is published as code on GitHub as well as a Azure DevOps Migration Tools on Chocolatey.

Ask Questions on Stack Overflow: https://stackoverflow.com/questions/tagged/azure-devops-migration-tools

WARNING: This tool is not designed for a novice. This tool was developed to support the scenarios below, and the edge cases that have been encountered by the 30+ contributors from around the Azure DevOps community. You should be comfortable with the TFS/Azure DevOps object model, as well as debugging code in Visual Studio. Community support is available through GitHub and StackOverflow; Paid support is available through our recommended consultants as well as our contributors and many DevOps consultants around the world.

• Migrate Work Items, TestPlans & Suits, Teams, Shared Queries, & Pipelines from one Team Project to another
• Migrate Work Items, TestPlans & Suits, Teams, Shared Queries, & Pipelines from one Organisation to another
• Bulk edit of Work Items accross an entire Project.

• Work Item Migration Supports all versions of TFS 2013+ and all versions of Azure DevOps
• You can move from any Tfs/AzureDevOps source to any Tfs/AzureDevOps target.
• Process Template migration only supports XML based Projects

• Merge many projects into a single project
• Split one project into many projects
• Assistance in changing Process Templates
• Bulk edit of Work Items
• Migration of Test Suites & Test Plans
• new Migration of Builds & Pipelines
• Migrate from one Language version of TFS / Azure Devops to another (new v9.0)

NOTE: If you are able to migrate your entire Collection to Azure DevOps Services you should use Azure DevOps Migration Service from Microsoft. If you have a requirement to change Process Template then you will need to do that before you move to Azure DevOps Services.

• Video Overview
• Getting Started
• Documentation
• Questions on Usage
• Bugs and New Features

• v11.9 - Dark launch of Pipelines & Builds migration by @tomfrenzel
• v11.8 - As part of moving to the new architecture we moved to default newtonsoft type handling with $type properties instead of ObjectType To Migrate rename "ObjectType" to "$type" in your configuration!
• v11.5 - Added more useful logging levels. Replace "TelemetryEnableTrace": false with "LogLevel": "Verbose" in the config. Verbose will only be logged to the logfile.
• v11.2.1 - Removed NodeMigrationContext and converted it to an enricher for Work Items. Still needs work, so that it migrates individual nodes, but currently migrates all.
• v10.1 - Changed config design to have only the Name and not FullName of the class. Remove MigrationTools.Core.Configuration.FieldMap. and MigrationTools.Core.Configuration.Processing. from the config leaving only the Name of the class in ObjectType field.
• v10.0 - Start of the great refactor over to .NET Core and the REST API as the Object Model has been retired.
• v9.0 - Added support for migration between other language versions of Azure DevOps. Developed for German -> English
• v8.9 - Added 'Collapse Revisions' feature to collapse and attache revisions instead of replaying them
• v8.8 - 'SkipToFinalRevisedWorkItemType' feature added to handle scenario when changing Work Item Type
• v8.7 - Support for inline images using a Personal Access Token added to the Source Project
• v8.6 - Support for fixing links from TFVC Changesets to Git Commits using a mapping file generated from a Git-TFS migration.
• v8.5 - Attachment Max size and linking work items to git repos between projects.
• v8.4 - Support for cross-project linking of work items between projects.
• v8.3 - Support for restarting the migration and syncing at the revision level.
• v8.2 - Merge Git commit Fixing into Work Item migration (requires repos to be migrated first, can be rerun)
• v8.0 - Merge of Work Item, Link, & attachment migrators into one.

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