Execution 'iwy2vpzo52pmp555ftfn4455' cannot be found (rsExecutionNotFound)

Question

Some users get the following error when running reports.

• Execution \'iwy2vpzo52pmp555ftfn4455\' cannot be found (rsExecutionNotFound)

They run fine in t

Answer 1

If you're running SQL Server Express edition, the SQL Server Agent isn't running to clean up your old SSRS sessions. You'll need to run a job on SSRS DB to clean up the old sessions.

My report took 10 seconds to run and 2 seconds to export - so it wasn't to do with the session expiry length.

I'd get the error when exporting a report to excel into my app an hour after I exported the report.