Remote Assistance does not allow control - Imaged machines only

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Issue:
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Remote Assistance does not allow control - Imaged machines only

Not able to remote control a remote assistancesession.

PROBLEM:
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You were unable to “Take Control” of a Remote Assistancemachine, after establishing a connection to the Windows XP SP2 machine. This issue only occurs on Windows XP machines that were part of your standard image.

RESOLUTION:
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We finally discovered that there were missing registry keys on the Novice machine, thus preventing us from Taking Control of the machine.

The following steps corrected this issue:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\RDP_KBD

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\RDP_MOU

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\RDPDR

To fix this, follow these steps:

1. Export the above keys from a working machine

2. On the failing machine, make sure you have permissions to write to the above keys

3. Import these keys to the failing machine

4. Reboot