Two overlapping error patterns within a single time window, with no common cause. They were separated, assigned, and the rollout was approved again in ten days.
A healthcare laboratory service provider was in the process of rolling out a new Windows client to 300 devices. The rollout had to be halted: after logging in, the affected devices repeatedly displayed only a gray screen and subsequently became inoperable. The rollout was suspended for seven weeks.
Read more…Root cause analysis conducted directly at the workplace after the central monitoring system had reported no anomalies for months.
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.
Read more…Root cause analysis of a recurring widespread system failure after weeks of troubleshooting the network, firewall, and client had yielded no results.
Every Monday, an energy provider experienced major problems with its local Outlook mailboxes. More than 1,000 employees were affected, some for hours at a time.
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