BUG: IRTCClient::InvokeTuningWizard() Requires Administrator Privileges The First Time (321791)


The information in this article applies to:

  • Microsoft Win32 Application Programming Interface (API), when used with:
    • the operating system: Microsoft Windows XP
This article was previously published under Q321791

SYMPTOMS

When not run from an administrator account, IRTCClient::InvokeTuningWizard does not display the video preview and video performance may suffer later.

CAUSE

The first time that InvokeTuningWizard is called, it needs to write some registry information that only an administrator can create. After this data is created, this function can be called from any account.

RESOLUTION

Execute the tuning wizard one time from an administrator account.

STATUS

Microsoft has confirmed that this is a bug in Win32 API.

This problem was corrected in Windows XP Service Pack 1.
Modification Type:MajorLast Reviewed:10/30/2003
Keywords:kbbug kbfix kbKernBase KB321791
©2003 Microsoft Corporation. All rights reserved.