aspnet_regiis -i & ServiceModelReg -i
C:\Program Files\Microsoft Visual Studio 10.0\VC>aspnet_regiis -i
Start installing ASP.NET (4.0.30319).
....................
Finished installing ASP.NET (4.0.30319).
C:\Program Files\Microsoft Visual Studio 10.0\VC>ServiceModelReg -r
Microsoft (R) WCF/WF registration tool version 4.0.0.0
Copyright (c) Microsoft Corporation. All rights reserved.
Administration utility that manages the installation and uninstallation of
WCF and WF components on a single machine.
[SC] ChangeServiceConfig2 成功
[SC] ChangeServiceConfig2 成功
[SC] ChangeServiceConfig2 成功
[SC] ChangeServiceConfig2 成功
[SC] ChangeServiceConfig2 成功
[SC] ChangeServiceConfig2 成功
[SC] ChangeServiceConfig2 成功
[SC] ChangeServiceConfig2 成功
[Warning]The HTTP namespace reservation already exists.
C:\Program Files\Microsoft Visual Studio 10.0\VC>
直接搞定