While giving permissions to the 'defaultAppPool' user I am getting the message 'There is no such global user or group: DefaultAppPool.' Can anyone help me here! However, using command 'net localgroup "Performance Monitor Users" DefaultAppPool /add' I am able to resolve the error but i am facing this problem in Windows Server 2003/IIS 6.0. Here, I am always prompted as 'There is no such global user or group: DefaultAppPool.' I have also added the 'Network Service' but no avail.
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2You do not need to add NetworkService, to fix the problem you can set the Identity of the Application Pool to NetworkService (allthough it is could be a security leak). – Luuk Jul 10 '13 at 08:31
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it works fine for me thanks – thiago.adriano26 Jan 28 '16 at 12:50
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You have to add the user that your DefaultAppPool is configured to use. Check the Identity of your DefaultAppPool and add that to the Performance Monitor Users group.
Now, I can't say that correctly adding the user to the group will fix your real issue. I am getting the same error with performance counters even through my app pool users have been added to this group.
Donald Byrd
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4I had the same problem but found out the IIS service needed to be restarted after the user was added to the group for it to take effect. – Hugh Jeffner Jan 11 '11 at 19:01
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1Added "IIS Apppool\DefaultAppPool", restarted IIS (from Service Manager), still doesn't work. – Lars Corneliussen May 16 '12 at 07:50
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3Same problem but was using a domain account. I had to restart the server (app pool, web site was not enough). – crokusek Dec 01 '12 at 02:44
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Note that your application may not use DefaultAppPool, but for example "ASP.NET v4.0", in that case use "IIS AppPool\ASP.NET v4.0", also note that windows restart is necessary. – Luuk Jul 10 '13 at 08:27
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I made the above changes, it didn't work. I restarted the server and it worked. – Stamatis Tiniakos Dec 07 '21 at 18:56