Authentication erorr IIS home page

When you try to access the website, you will be getting an error message stating as follows:

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Authorization Error
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Its a known issue if you are running Plesk with IIS.

You can resolve the issue by performing the following.

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Anonymous access to the site was enabled in IIS:>IIS -> Web site -> domain.com -> Directory Security -> Enable anonymous access

Remove the .Security file from C:\Inetpub\vhosts\domain.com and reconfigure vhost via the following command: C:\Program Files\Parallels\Plesk\admin\bin>websrvmng --reconfigure-vhost --vhost-name=domain.com 

 
If the passwords for system user and IIS user seemed to be out of synchronization, change the password for IIS user on that domain and do the same in Computer Management -> Local Users and Settings -> Users -> IUSR_domain
Verify other domains are not having the same issue.

After performing the above, execute the following command from command prompt.

websrvmng --reconfigure-vhost --vhost-name=domainname.com

 Have a Great Surfing!!!!!