Changes to parameter not showing on Report Server after deployment

This is “by design”:

When you first deploy reports, parameters are uploaded with all their settings.

Administrators of those reports are then allowed to tweak the way report parameters function in the report web manager: change whether they accept null values, defaults, etc.

If you redeploy reports later, nothing is changed to existing parameters (the system doesn’t want to “overwerite” changes made by report admins).

Solutions:

  • Delete the report, then redeploy it.
  • Change the parameter settings directly in the deployed report.

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