Knowledge BaseTroubleshootingLive migration reports “Timed out during operation: cannot acquire state changelock (held by remoteDispatchDomainMigratePerform3Params”

Live migration reports “Timed out during operation: cannot acquire state changelock (held by remoteDispatchDomainMigratePerform3Params”

TroubleshootingZCF · CloudVersions3.x-5.5.30Article IDKB-100206Updated2026-08-19

Issue/Introduction

This article describes how to troubleshoot the Timed out during operation: cannot acquire state changelock (held by remoteDispatchDomainMigratePerform3Params error during VM instance live migration. It applies to the initial diagnosis and resolution of similar issues in ZStack Cloud.

Environment

  • Product: ZCF
  • Component: Cloud
  • Version: 3.x-5.5.30

Possible causes

VM instance migration generally fails for one of the following two causes:

  • The amount of data written to VM instance memory is greater than the amount of data transferred by live migration.

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Live migration reports “Timed out during operation: cannot acquire state changelock (held by remoteDispatchDomainMigratePerform3Params” | KB-100206 | ZStack Resource Center