CI: re-enable Managed DevOps Pool by default - #3969
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Flip the 'managedPool' parameter default from false to true so Windows/Linux jobs route to the netstandard Managed DevOps Pool via ImageOverride demands. Operators can still override to Microsoft-hosted agents per queue via the pipeline UI.
marcschier
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July 9, 2026 07:14
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Pull request overview
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Re-enables the netstandard Managed DevOps Pool by making the managedPool pipeline parameter default to true, so eligible jobs route to the managed pool unless explicitly disabled at queue time.
Changes:
- Flip
managedPoolparameter default fromfalsetotrueinazure-pipelines.yml.
…enable-managed-pool
romanett
approved these changes
Jul 16, 2026
Replace the all-or-nothing `managedPool` boolean with a `poolMode` enum (mixed | managed | hosted) and route stages across two pool profiles so the netstandard Managed DevOps Pool and the Microsoft-hosted agents share the workload of a single run. - mixed (default): each stage uses its assigned profile, so both pools run in parallel. The two always-concurrent PR stages are split across pools: build -> hosted (bigger temp disk for multi-TFM bin trees), testfastpr -> managed (fast, image-pinned gate). Full-run stages are balanced ~5/5. - managed / hosted: global overrides that collapse both profiles onto a single pool (all-managed or all-hosted) for emergencies. The pool switch lives only in the variables block (mgd*/host* profiles), so stages carry no per-stage conditionals. macOS is unchanged (always hosted; the managed pool has no macOS images).
marcschier
added a commit
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Jul 17, 2026
Replace the all-or-nothing `managedPool` boolean with a `poolMode` enum (mixed | managed | hosted) and route stages across two pool profiles so the netstandard Managed DevOps Pool and the Microsoft-hosted agents share the workload of a single run. - mixed (default): each stage uses its assigned profile, so both pools run in parallel. The two always-concurrent PR stages are split across pools: build -> hosted (bigger temp disk for multi-TFM bin trees), testfastpr -> managed (fast, image-pinned gate). Full-run stages are balanced ~5/5. - managed / hosted: global overrides that collapse both profiles onto a single pool (all-managed or all-hosted) for emergencies. The pool switch lives only in the variables block (mgd*/host* profiles), so stages carry no per-stage conditionals. macOS is unchanged (always hosted; the managed pool has no macOS images).
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Description
Flip the
managedPoolparameter default inazure-pipelines.ymlfromfalsetotrueso Windows/Linux jobs route to thenetstandardManaged DevOps Pool viaImageOverridedemands. macOS jobs continue to run on Microsoft-hosted agents because Managed DevOps Pools does not provide macOS images.Operators can still uncheck the parameter at queue time to fall back to Microsoft-hosted agents.
Related issues
Follow-up to #3881.
Checklist