Black screen during a Remote Assistance session in Windows Vista, in Windows Server 2008, in Windows 7, or in Windows Server 2008 R2
Consider the following scenario:
- You have a computer that is running one of the following operating systems:
- Windows Vista
- Windows Server 2008
- Windows 7
- Windows Server 2008 R2
- The computer joins a domain. The following Group Policy settings are enabled in the domain:
- User Account Control: Allow UIAccess applications to prompt for elevation without using the secure desktop
- User Account Control: Switch to the secure desktop when prompting for elevation
- You use a standard user account to log on to the computer. This standard user account belongs to specific groups that have some administrative privileges. For example, the account belongs to the Backup Operators group, to the Network Configuration Operators group, or to the Power Users group.
- You request remote assistance from an administrator.
- The administrator creates a Remote Assistance session on the computer.
- The administrator tries to run a program on the computer. The program requires elevated user rights.
In this scenario, you are prompted to enter the credentials of the administrator. Additionally, the administrator receives a black screen in the Remote Assistance session.
For more information on this issue, including potential causes, workarounds, and resolutions, see: Microsoft KB Article KB2614066.