There is a static method on DirectoryEntry called Exists that you can use to test for the existence of objects. Some ADSI provider operations may require this capability. It permits creation of DirectoryEntry objects where there may not necessarily be a matching object at the path specified. To answer your question about why you can create a DirectoryEntry object where the path is invalid, DirectoryEntry is a general purpose wrapper object used to bind against different types of ADSI providers such as IIS, LDAP and WinNT. It's useful to open up the IIS metabase file and have a dig around to understand what's going on under the bonnet. Open an elevated command prompt and navigate to C:WindowsSystem32inetsrv. Set the Simple Mail Transport Protocol service startup type to Automatic. ![]() If you wanted to override the Mime types for a specific site then you'd modify: Set the Simple Mail Transport Protocol service to start automatically. All sites inherit this list (the IIS Metabase relies heavily on inherited properties). IIS://localhost/MimeMap is also the master Mime Type list. If your code is accessing the metabase on remote machines then instead of specifiying IIS://localhost/, one would specify IIS:///. There are a few IIS components you need to install which the pre-requisite checks will advise you on, they are as follows: IIS 6 Metabase Compatibility IIS Management Console Once you have installed them, reboot the server and run the installation again. The moniker IIS://localhost/MimeMap maps to the Location path /LM/MimeMap. The moniker IIS://localhost maps to the Location path /LM which is effectively the tree root. Paths in the metabase are represented by Location attributes. This is in fact a flattened out tree structure. If you open the IIS6 metabase file ( C:\Windows\System32\inetsrv\metabase.xml) you'll find a large 'blob' of XML. The IIS: portion is also known as a moniker in OLE parlance. your code and IIS are on the same box then it's sufficient to specify: If you're working with the IIS config of your local machine i.e. Note: i'm not getting an access denied error, the error is the same when you have an invalid MetabasePath, e.g. What should it really be? What should the code be doing to construct a valid MetabasePath? Right now i, and the entire planet, are hardcoding the " MetabasePath" as iis://localhost/MimeMap He says that the path to the metabase could be something else and he gives an example of what it could be like.Which sounds to me like it is some sort of " path" to a " metabase". He calls iis://localhost/mimemap the Metabase Path.string MetabasePath = "IIS://" + ServerName + "/w3svc/1/root" ĭirectoryEntry MimeMap = new DirectoryEntry(MetabasePath) Note: This could also be something like String MetabasePath = "IIS://" + ServerName + "/MimeMap" The only clue i can find as to why it fails, is from an IIS MVP, Chris Crowe's, blog: string ServerName = "LocalHost" And this works great, except for the times when it doesn't. Everyone agrees that you use a magical path iis://localhost/mimemap. New DirectoryServices.DirectoryEntry("IIS://localhost/MimeMap") Velocity Reviews ![]() New DirectoryEntry("IIS://Localhost/MimeMap")) Stack Overflow GetObject("IIS://localhost/MimeMap") Scott Hanselman's Blog ![]() GetObject("IIS://localhost/mimemap") KB246068 GetObject("IIS://LocalHost/MimeMap") msdn Click on that to open it.I'm trying to get the list of mime types known to an IIS server ( which you can see was asked and and answered by me 2 years ago). Objective Provide process for enabling IIS Compatibility Mode in newer server environments such as Server 2016 utilizing IIS 10 Information Environments using an SMTP server may need to make changes to the IIS SMTP Server which require Metabase access. ![]() You’ll see the Internet Information Services Manager as a result. To ensure that IIS is installed and working, type IIS in the Search bar near the Start button. IIS 6 Management Compatibility IIS Metabase and IIS 6 configuration compatibilityĪpplication Development Features. To enable IIS and the required IIS components on Windows 10, do the following:ġ)Open Control Panel and click Programs and Features > Turn Windows features on or off.ģ)Expand the Internet Information Services feature and verify that the web server components listed in the next section are enabled.
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