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Today, I will talk to you about how to solve the problem of Service Unavailable address pool in IIS. Many people may not know much about it. In order to make you understand better, the editor has summarized the following content for you. I hope you can get something according to this article.

In IIS always can not open the home page of the default website, always display Service Unavailable. Found a lot of ways, always can not solve.

The solution to Service Unavailable is described below.

1. The first is to open the IIS manager. Check the application pool. Sure enough, "DefaultAppPool" went wrong. And it's not the usual stop icon.

two。 Tried to restart the DefaultAppPool application pool, but it wasn't long before the pool went wrong again.

3. It's time to check the event log. The following types of logs were found

Event type: warning

Event source: W3SVC

Event type: none

Event ID: 1009

Date: 2008-6-24

Event: 16:12:33

User: NCMA

Computer: MAIL

Description:

The process serving the application pool 'DefaultAppPool' terminated unexpectedly. The process ID is' 3160'. The process exit code is' 0xffffffffffffffffffffff.'

For more information, see the help and support Center at http://go.microsoft.com/fwlink/events.asp.

4. Could there be something wrong with the default program pool? So, try to create a new program pool. change the program pool of the default website to the new one. But the problem remains. Similar logs appear.

Event type: error

Event source: W3SVC

Event type: none

Event ID: 1002

Date: 2008-6-25

Event: 14:17:04

User: NCMA

Computer: MAIL

Description:

The application pool 'AppPool # 1' is automatically disabled because of a series of errors in the process of servicing this application pool.

For more information, see the help and support Center at http://go.microsoft.com/fwlink/events.asp.

5. Looking for the event log and another log caught my attention. As follows:

Event type: error

Event source: DCOM

Event type: none

Event ID: 10016

Date: 2008-6-24

Event: 16:12:33

User: NT AUTHORITYNETWORK SERVICE

Computer: MAIL

Description:

Application-specific permission settings do not set the COM server application (CLSID is

{A9E69610-B80D-11D0-B9B9-00A0C922E750}

) is granted to the user NT AUTHORITYNETWORK SERVICE SID (Smuri 1-5-20). You can use component Services management tools to modify this security permission.

For more information, see the help and support Center at http://go.microsoft.com/fwlink/events.asp.

6. It's a bit of a play. See what service CLSID is for {A9E69610-B80D-11D0-B9B9-00A0C922E750}. Finally, find it in the following registry entry:

HKEY_CLASSES_ROOTAppID {A9E69610-B80D-11D0-B9B9-00A0C922E750}

7. The name happens to be "IIS Admin Service".

8. All right, we found out what it is. Open component Services from Administrative tools, find IIS Admin Service and compare whether CLSID is consistent.

9. After confirming this, the next step is to add NETWORK SERVICE permissions to it.

A launch and activate permissions, click "customize"..

b. Add "NETWORK SERVICE" to the user list

c. And give local startup and activation permissions, save exit.

After reading the above, do you have any further understanding of how to solve the Service Unavailable address pool problem in IIS? If you want to know more knowledge or related content, please follow the industry information channel, thank you for your support.

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