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702 Chapter 12 • Getting Started with IIS 7.0
Figure 12.18 FREB Log Location
Once again, FREB is probably the most anticipated feature offered by IIS 7.0, which both
developers and administrators will rely on.
Getting Started with IIS 7.0 • Chapter 12 703
Summary
Possibly the most anticipated release of IIS ever, version 7.0 rebuilt from the ground up does not
disappoint. A new modular design allows administrators to load what they want without the risk of
having unwanted and unused code residing in memory and creating a security concern. The new
modular design also allows developers to add any functionality they wish. A new set of publicly
available API’s removes the reliance on ISAPI and having to know C and C++ when wanting to
extend IIS. Managed code no longer has second class citizenship; it has the same access to the
pipeline that native code does. WMI now provides native access to managing servers. The old
metabase and its complexities have been replaced by more manageable .confi g fi les.
Security is improved. Server administrators can now delegate tasks to Web administrators and
developers without having to provide total server administrative rights. Administrative tools are easier
to use and more powerful. The new and improved IIS Manager is now task-oriented and
wizard-based, thereby walking administrators through the necessary steps to achieve what they need
to. IIS 7.0 now has a complete administrative command line utility in Appcmd.exe that can be used to
view and confi gure objects.
Diagnostic features are now easier to use and more powerful. FREB is a feature that is able to
trace all requests through the pipeline, identify stuck or failing requests, and is useful in analyzing long
running scripts. FREB allows administrators to enable it, create a rule, and then never worry about
having to recreate an error.
Microsoft has brought about a lot of changes to an already solid platform, and improves upon it
with IIS 7.0. Both developers and administrators will benefi t from its features.
Solutions Fast Track
Inside the Changes in IIS 7.0
˛ The IIS 6.0 core was monolithic and did not easily support extensions. With two pipelines
present it had the possibility of producing duplication.
˛ The IIS 6.0 metabase was large and diffi cult to read and locate.
˛ Most diagnostic tools in IIS 6.0 were add-ons and not built into the product. These tools
were diffi cult to use, such as ETW.
˛ FREB enables administrators and developers to trace all requests throughout the pipeline.
By enabling FREB on the server, administrators and developers never have to reproduce
the error.
704 Chapter 12 • Getting Started with IIS 7.0
IIS 6.0 versus 7.0: The Delta
˛ IIS 7.0 has a modular core; developers are able to add any functionality they want. Only
modules that are enabled are loaded in memory, which is more effi cient and more secure.
˛ Administrative delegation is available. Server administrators can now provide the access
needed by Web administrators and developers without having to provide full administrative
rights.
˛ IIS Manager is now more complete and robust, basically allowing any part of IIS to be
managed by the user interface.
˛ Appcmd.exe provides a more comprehensive management functionality and better support
for bulk operations than IIS Manager.
Getting Started with IIS 7.0 • Chapter 12 705
Frequently Asked Questions
Q: In IIS 7.0, do ISAPI fi lters give you any advantage over modules and managed code?
A: No. Because of the new modular core, both managed code and native code subscribe to
the same events.
Q: Does IIS 7.0 run on Windows Server 2003?
A: No. IIS 7.0 will only run on certain versions of Vista and the upcoming Longhorn Server.
Q: Can I manage IIS 7.0 via the command line?
A: Yes. By using the new Appcmd.exe utility, you can manage IIS and ASP.NET
Q: I have existing ADSI and WMI scripts that work in IIS 6.0. Will they work in IIS 7.0?
A: Yes, but you must enable the IIS 6.0 Management Compatibility feature.
Q: In IIS 7.0, how do I troubleshoot hard-to-reproduce failed request issues?
A: Use FREB.
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