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  • When IIS 4.0 was released, it introduced the "metabase," which was a proprietary database that stored all of the metadata for IIS, and all of that information was physically stored in a file that was named metabase. bin.

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  • I am using dynamic GZIP compression, every outgoing page is compressed on the FLY using the built in IIS 6.0 compression, its one of those features you turn on by messing around with the metabase.

    Microsoft 2.0 Performance. « The Paradigm Shift

  • Thanks to Konstantin, I learned that there is a little-known IIS 6.0 metabase parameter that can be quite useful for this situation yet another reason to deploy Exchange 2003 on Windows 2003.

    Ecubed, Day 3: A neat SMTP connection restriction trick

  • Hence, parametric modifications you would try to do locally on the IIS metabase would be overwritten when the service synched with Active Directory.

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  • If you installed the SMTP service on a standalone IIS box, you would have to configure the IIS metabase - several configuration options were also available via the IIS Administration Console, but not all.

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  • Hence, to remove the 8bitmime action from the list of advertised actions for the SMTP service in IIS 7 or IIS 7.5 on the Default Web Site, you would open Metabase Explorer, navigate to the Lm/Smtpsvc/1LM key in the IIS metabase, and then modify the value of the SmtpInboundCommandSupportOptions key.

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  • In the IIS 6 version of the Microsoft web-server, the IIS Admin service, which was hosted in the inetinfo.exe process, was responsible for loading the contents of the IIS metabase into memory and decrypting it each time the server would start.

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  • Once the IIS 6 metabase compatibility and management console are installed, you will have access to the IIS 6 management console, from which you should be able to administer the SMTP service as you would have done on an IIS 6 server.

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  • This is because the SMTP service will still rely on the IIS metabase to configure itself.

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  • Hence when you install the SMTP service on an IIS 7 or IIS 7.5 server, a few optional components from the IIS Web Server role will also be installed automatically: the IIS 6 metabase compatibility and IIS 6 management console.

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