fabric-network-remediatelisted

# Microsoft Fabric Network Performance remediate Systematic toolkit for diagnosing and resolving network performance issues across Microsoft Fabric workloads including Spark, OneLake, Data Warehouse, Pipelines, and Dataflows. ## When to Use This Skill - Fabric Spark sessions take longer than expected to start (>10 seconds) - Connection timeouts to external data sources from notebooks or pipelines - Managed private endpoint status shows Pending or Failed - DNS resolution returns public IPs instead of private IPs - Outbound access protection blocks required dependencies (PyPI, Conda) - On-premises data gateway connectivity failures - OneLake API calls returning 403 or timeout errors - Capacity throttling errors (HTTP 430) - Dataflow Gen2 staging failures behind firewalls - Cross-workspace environment attachment failures due to network mismatch ## Prerequisites - PowerShell 7+ with Az module installed (`Install-Module Az -Scope CurrentUser`) - Fabric Admin or Workspace Admin role for network configuration changes - Azure portal access for Private Link Service and DNS zone management - Network access to run `nslookup`, `Test-NetConnection`, and `Resolve-DnsName` ## Step-by-Step Workflows ### Workflow 1: Diagnose Spark Session Startup Delays Spark startup times vary based on networking configuration. Consult the reference table: | Scenario | Typical Startup Time | | --------------------------------------- | ----------------------- | | Def