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 administrator
Start granting administrator access to the IIS metabase and other directories us
ed by ASP.NET.
Finished granting administrator access to the IIS metabase and other directories
used by ASP.NET.
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727>aspnet_regiis -lv
2.0.50727.0 Valid C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\as
pnet_isapi.dll
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727>aspnet_regiis -i
Start installing ASP.NET (2.0.50727).
..............
Finished installing ASP.NET (2.0.50727).
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727>aspnet_regiis -lv
2.0.50727.0 Valid (Root) C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\as
pnet_isapi.dll
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727>iisreset /noforce
Attempting stop...
Internet services successfully stopped
Attempting start...
Internet services successfully restarted
C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727>
