Working IIS - CPU up to 95% process constantly in a web server of fortification

Hello

We use .net to our front end and SQL for our backend. We have configured our sites in IIS. Unfortunately the CPU of a single work to our iis application pool process is spiking to 95% for the last 6 hours. What is interesting is he had signed in one user and that the user disconnected very quickly. Now there is no user and yet this workflow spikes to 95 percent. I generated a dump of IIS for this process id. Please see the attachment for your comment.  Pasted below.

We have two web servers that are loadbalanced. This only happens in a Web server

Would really appreciate your help in the diagnostic it. Please let me know if you need further information.

Thank you

John Daniel

520-245-5597.

Symbol search path is: * invalid *.
****************************************************************************
* Loading of the symbol may be unreliable without a symbol search path.           *
* Use .symfix to get the debugger to choose a symbol path.                   *
* After adjusting your path to symbols, use .reload to refresh the locations of symbols. *
****************************************************************************
Executable search path is:
Windows 8 Version 9600 MP (8 procs) free x 64
Product: Server, suite: TerminalServer SingleUserTS
By: 6.3.9600.17031 (winblue_gdr.140221 - 1952)
Computer name:
The debugging session: Sat Dec 5 18:44:02.000 2015 (UTC - 05:00)
System Uptime: 5 days 2:48:42.853
Running time: 0 days 16:38:55.000
................................................................
................................................................
....................................................
ERROR: The symbol file is not found.  Defaulted to export symbols ntdll.dll.

Summary of the symbol load error *.
Name of the module error
ntdll the system cannot find the specified file

You can solve most symbol related issues by turning the symbol loading diagnostics (! sym noisy) and repeating the command that caused the symbols to load.
You should also check that your symbol search path (.sympath) is correct.
ERROR: The symbol file is not found.  Defaulted to export symbols for wow64cpu.dll.
wow64cpu! TurboDispatchJumpAddressEnd + 0 x 598:
C3 00000000'77002352 ret

Hello Alex,.

Thanks for posting your question on the Microsoft community.

The question will be better suited to the audience of professionals on the TechNet forums.

I would recommend posting your query in the TechNet forums.

TechNet Forum
https://social.technet.Microsoft.com/forums/en-us/home?category=WindowsServer

Thank you

Tags: Windows

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