Unable to start "MSExchange Rpc Client Access Services" after installing Exchange 2010 Beta

[LEFT][FONT=verdana]Have you ever wonder why you cant start this service both automatically and manually?
Chances are if you are downloaded build 532.09 & have installed both CAS role and Mailbox role on the same box, you will have this issue.[/FONT]
[FONT=verdana]The reason? unknown[/FONT]
[FONT=verdana]Fix? Maybe next release of build.[/FONT]
[FONT=verdana]However, there is a workaround, but requires modification of windows registry. So you with care
[/FONT][CODE]
[FONT=verdana][I][B]HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MSExchangeIS\ParametersSystem]
"Mapi Rpc Endpoint Registration"=dword:00000002
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MSExchangeRPC\ParametersSystem]
"ExecutionFlags"=dword:00000002[/B][/I][/FONT]
[/CODE]
[/LEFT]