Root cause analysis conducted directly at the workplace after the central monitoring system had reported no anomalies for months.

Symptom

A customer in the banking sector reported significant performance issues with its Citrix infrastructure. More than 200 workstations were affected.

The effect was most noticeable when scrolling through lengthy documents. In PDF files as well as in Excel spreadsheets, once a scrolling motion began, it continued even though the input had long since ended, and it was nearly impossible to stop it in a controlled manner.