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Editorial Team
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Asked: 2026-06-15T04:58:25+00:00

I have a long running process in a custom code activity. If I attempt

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I have a long running process in a custom code activity. If I attempt to stop the build while this activity is running I get back the error:

TFS215104: Failed to stop build XXXXXXXXXXXXX: it did not respond to a
workflow cancellation request.

Then in the build log I see:

Cannot stop the build. Details: Operation did not complete in
00:00:59.9843747.

Cannot cancel the workflow. Agent needs to be restarted. Details: The
operation did not complete within the allotted timeout of 00:01:00.
The time allotted to this operation may have been a portion of a
longer timeout.

Service ‘XXXXXXX – Controller’: build ‘XXXXXXXXXXX’ was stopped.
Details: Build was cancelled.

How does this cancellation request make it back to my activity? I understand how to use background processes but I’m not sure how to capture the cancellation request inside my code.

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1 Answer

  1. Editorial Team

    Are you using the CodeActivity class as your base?

    According to this, you might try AsyncCodeActivity as it supports Cancel.

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