"401 Unauthorized" error when installing vSphere Client VCM Plug-In

Products

• VMware

Issue/Introduction

Symptoms:

• Unable to install the vSphere Client VCM Plug-In.

• When you download the script plugin from http://<VCM Collector IP>/VCVPAnon/Xml/vSphereClientVCMPlugin.xml, you see the error:
  
  The server could not interpret the client's request. (The remote server returned an error: (401) Unauthorized.)

Environment

VMware vCenter Configuration Manager 5.x

Cause

This issue occurs because the IIS authentication does not use the Basic Authentication for the VCVPAnon.

Resolution

To resolve this issue:

1. Open IIS Manager.
2. Expand the VCM Collector Site.
3. Expand Sites.
4. Expand Default Web Site.
5. Select VCVPAnon.
6. Double-click on Authentication in the IIS.
7. Ensure that only Anonymous Authentication is set to Enabled.
8. Restart IIS.
9. Register the plugin.

Additional Information

在安装 vSphere Client VCM 插件时出现“401 未授权 (401 Unauthorized)”错误