先装.NET Framework,后装IIS ，将导致问题：“Failed to access IIS metabase”，无法浏览页面。
原因：IIS没有注册
解决办法：
在CMD中进入目录C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727，运行aspnet_regiis
1、aspnet_regiis -ga administrator（administrator为当前用户）
2、aspnet_regiis -i （注册IIS）
3、iisreset /noforce （重启IIS）
操作详细：
C:\Documents and Settings\Administrator>cd c:\\windows\\microsoft.net\\framework\\v2.0.50727
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727>aspnet_regiis -ga administratorStart granting administrator access to the IIS metabase and other directories used by ASP.NET.Finished granting administrator access to the IIS metabase and other directoriesused by ASP.NET.
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727>aspnet_regiis -lv2.0.50727.0 Valid C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\aspnet_isapi.dll
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727>aspnet_regiis -iStart installing ASP.NET (2.0.50727)...............Finished installing ASP.NET (2.0.50727).
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727>aspnet_regiis -lv2.0.50727.0 Valid (Root) C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\aspnet_isapi.dll
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727>iisreset /noforce
Attempting stop...Internet services successfully stoppedAttempting start...Internet services successfully restarted
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727>
