1. Error situation

Environment: win7+iis7.0

DirectoryEntry configuration IIS7 has the following error

or

The following code runs normally under IIS6.0, but an error occurs when running under IIS7.0:

System.DirectoryServices.DirectoryEntry iisServer;
iisServer = new System.DirectoryServices.DirectoryEntry("IIS://localhost/W3SVC/1");
System.DirectoryServices.DirectoryEntry rootFolder = iisServer.Children.Find("Root","IIsWebVirtualDir");//此處拋出異常

The exception content is as follows:

[System.Runtime.InteropServices.COMException] {"Unknown error (0x80005000)"}
System.Runtime.InteropServices.COMException
Unknown error (0x80005000)
at System.DirectoryServices.DirectoryEntry. Bind(Boolean throwIfFail)
at System.DirectoryServices.DirectoryEntry.Bind()
at System.DirectoryServices.DirectoryEntry.get_IsContainer()
at System.DirectoryServices.DirectoryEntries.CheckIsContainer()
at System. DirectoryServices.DirectoryEntries.Find(String name, String schemaClassName)

2. Error analysis

This exception code indicates that the ADSI provider of IIS://localhost/W3SVC/1 does not exist or cannot be accessed .

Open IIS Manager and you can see that the server's localhost (default site) exists and is running, and the main site ID is indeed 1. This indicates that the problem is with the ADSI provider at IIS://localhost.

3. Cause of the error

win7 uses iis7, and IIS 7 does not have ADSI provider installed by default.

4. Solution

To solve this problem, you must install "IIS Metabase and IIS 6 Configuration Compatibility".

"Control Panel"->"Programs and Features"->"Turn Windows features on or off" on the left side of the panel->"Internet Information Services"->"Web Management Tools"-> "IIS 6 Management Compatibility" -> "IIS Metabase and IIS 6 Configuration Compatibility".

As shown below:

## 5. What should I do if this error occurs in Windows Server 2008?

Under Windows Server 2008, after using the role service to install "IIS Metabase and IIS 6 Configuration Compatibility", the following error may occur:

[System.Runtime.InteropServices.COMException ] {"Access is denied.\r\n"} System.Runtime.InteropServices.COMException

ErrorCode 0x80070005
Access is denied.

at System.DirectoryServices.DirectoryEntry.Bind(Boolean throwIfFail)

at System.DirectoryServices.DirectoryEntry.Bind()
at System.DirectoryServices.DirectoryEntry.get_IsContainer()
at System.DirectoryServices.DirectoryEntries.CheckIsContainer()
at System.DirectoryServices.DirectoryEntries.Find (String name, String schemaClassName)

This is because Windows Server 2008 is locked by UAC (User Account Control, User Account Control). You need to use the administrator (Administrator) account to execute this program. Another way It is to set the account running this program to have the following permissions: Logon as a Service"/ "Logon as a Batch Job"

The above is the method to solve the ADSI Error error in DirectoryEntry configuration IIS7, as well as the derived Windows Server The solution to this error occurred in 2008. I hope it will be helpful to everyone in solving this kind of problem.

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