"Internal error occurs during Export of vSphere ESX Agent Manager" error when migrating vCenter Server 6.0 to 6.5

Products

• VMware vCenter Server

Issue/Introduction

This article provides insight on how to recover from an ESX Agent Manager export failure during a Windows vCenter Server 6.0 migration to vCenter Server Appliance 6.5.

Symptoms:

• Migrating a vCenter Server 6.0 installed on Windows to the vCenter Server Appliance 6.5 fails with this error:
  
  Internal error occurs during Export of vSphere ESX Agent Manager

After a vCenter Server 6.x upgrade failure on the source Windows vCenter Server there will be a file called VMware-VCS-logs-<year><month><day><hour><minute><second>.zip created on the desktop. The below log entries below are found in this zip file. For more information see Triaging a vCenter Server 6.0 installation or upgrade failure (2105258).

• In the UpgradeRunner.log file, you see entries similar to:
  
  2016-11-16T14:49:53.634Z ERROR upgrade.states.component_states eam:Export: Remote script failed with an error [InternalError()]
  2016-11-16T14:49:53.634Z ERROR upgrade.states.component_states eam:Export: failed with internal error. For details take a look at Export_com.vmware.eam_2016_11_16_09_42.log.
  2016-11-16T14:49:53.638Z WARNING wf.wf_processor State Export com.vmware.eam has failed.

Notes:

• The UpgradeRunner.log is found in the VMware-VCS-logs-<year><month><day><hour><minute><second>/vcsUpgrade folder.
• The preceding log excerpts are only examples. Date, time, and environmental variables may vary depending on your environment.

Environment

VMware vCenter Server 6.5.x
VMware vCenter Server Appliance 6.5.x

Cause

There are multiple reasons that the EAM export would fail to export during the migration of vCenter Server 6.0 to VCSA 6.5:

• Java Virtual Machine (JVM) heap exhaustion
• EAM port misconfiguration

Resolution

To resolve this issue, select the article that matches your issue:
 

CAUSE	RESOLUTION
Java Virtual Machine (JVM) heap exhaustion	Export of vSphere ESX Agent Manager fails due to JVM heap exhaustio (70414)
EAM port misconfiguration	Export of vSphere ESX Agent Manager fails due to the EAM service using a custom port configuration (70415)

Additional Information

Triaging a vCenter Server 6.0 installation or upgrade failure
503 Service Unavailable Failed to connect to endpoint XXXXXX" error in vCenter Server (60822)
How to stop, start, or restart vCenter Server 6.x services
将 vCenter Server 6.0 迁移到 6.5 时出现错误“导出 vSphere ESX Agent Manager 时出现内部错误 (Internal error occurs during Export of vSphere ESX Agent Manager)”
vCenter Server 6.0 から 6.5 への移行時に「vSphere ESX Agent Manager のエクスポート中に内部エラーが発生しました (Internal error occurs during Export of vSphere ESX Agent Manager)」エラーが発生する