Knowledge BaseTroubleshootingDHCP prepare timeout during ZStack Cloud VM startup

DHCP prepare timeout during ZStack Cloud VM startup

TroubleshootingZCF · CloudVersions4.x / 5.xArticle IDKB-200080Updated2026-09-16

Issue

Use this article to troubleshoot VM startup failure and unsynchronized management-node time.

Environment

  • Product: ZCF
  • Component: Cloud
  • Affected object: VM/DHCP
  • Versions: 4.x, 5.x
  • Scenario: Startup failure or unsynchronized management-node time

Symptoms

  • Startup stalls at the DHCP/userdata stage, network preparation times out, or VM network initialization fails.

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DHCP prepare timeout during ZStack Cloud VM startup | KB-200080 | ZStack Resource Center