vSphere Client and Web Client log in fails and console opens slowly in vCenter Server 5.1 when using the "Use Windows session authentication" option

Products

• VMware Live Recovery
• VMware vCenter Server

Issue/Introduction

Symptoms:
After installing or upgrading to vCenter Server 5.1, you experience these symptoms if you are using the Use Windows session credentials option in the vSphere Client:

• Logging in using the vSphere Web Client fails intermittently with either a Windows authentication or username/password error.
• Logging in using the vSphere Client fails with either a Windows authentication or username/password error.
• You experience a lag of 10-15 seconds when opening a console to virtual machines.
• Site Pairing fails when using vCenter Site Recovery Manager.
• You experience a delay when opening powered on virtual machine console windows.
• You see the error:
  
  The request failed because the remote server 'vCenter' took too long to respond. (The command has timed out as the remote server is taking too long to respond.

Environment

VMware vCenter Site Recovery Manager 5.1.x
VMware vCenter Server 5.1.x

Cause

This issue can be triggered in environments where a large number of groups have been assigned permissions for the vCenter Server Inventory objects and users are logging in with the vSphere Client's Use Windows session credentials option.

Resolution

This is a known issue in vCenter Server 5.1 and has been resolved in vCenter Server 5.1.0b. For more information, see Resolved Issues in the VMware vCenter Server 5.1.0b Release Notes.

To work around this issue for the vSphere Client, manually enter user credentials when logging in and do not use the Use Windows session credentials option.

Additional Information

To be alerted when this document is updated, click the Subscribe to Article link in the Actions boxActive Directory users with customized UPN user names cannot use Windows session credentials to log into the vSphere Client or vSphere Web Client
「Windows セッション認証を使用してください」オプションを使用している場合に vSphere Client および Web Client のログインに失敗して vCenter Server 5.1 でコンソールが開くのに時間がかかる