Resolved after 2 hours 16 minutes, affecting Quest Analytics Nodes and Quest High-Performance Computing Cluster (HPCC) (Server Management), on July 20, 2026.
Northwestern Information Technology confirms the incident is resolved for Quest High-Performance Computing Cluster.
Affected components
Update timeline
- investigating Jul 20, 2026, 09:26 PM UTC
Around 4:00 PM CDT Northwestern Information Technology is currently investigating an issue connecting to Quest via SSH and the Quest Analytics services. Users of these services are currently unable to make new connections to Quest. Batch jobs already running on Quest and sessions via Quest OnDemand should not be impacted. The next update will be posted by 5:30 PM CDT.
- identified Jul 20, 2026, 09:34 PM UTC
Northwestern Information Technology has identified an issue connecting to Quest via SSH and accessing the Quest Analytics Nodes via Jupyter, RStudio, and SAS Studio web applications. The next update will be posted by 5:30 CDT.
- monitoring Jul 20, 2026, 11:12 PM UTC
Quest services have been restored. Users can now connect to Quest login nodes and access Quest Analytics Nodes applications, including Jupyter, RStudio, and SAS Studio. Existing interactive sessions on the login nodes and Analytics Nodes, as well as batch jobs and Quest OnDemand sessions, were not impacted. Northwestern IT will continue to monitor network performance.
- resolved Jul 20, 2026, 11:42 PM UTC
Northwestern Information Technology confirms the incident is resolved for Quest High-Performance Computing Cluster.
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