Scenario
Users establish VPN successfully and can reach on-prem resources, but a private Azure-hosted app still times out.
Recommended Resolution Path
- Confirm the VPN routes include the Azure address space and any peered network ranges.
- Check DNS resolution for the private endpoint or internal application hostname.
- Review firewall rules between on-prem, VPN pool, and Azure networks rather than assuming transit is open.
- Document whether other Azure resources are reachable to narrow where traffic stops.
Technician Notes
Document what changed, what confirmed the fix, and whether the issue points to a broader standards gap worth addressing for the client.
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Subjects