Event ID - 15006

Event Id15006
SourceHTTP
DescriptionOwner of the log file or directory FileName or DirectoryName is invalid. This could be because another user has already created the log file or the directory.
Event InformationWhile Microsoft Internet Information Services (IIS) 6.0 is logging, the above event message will be logged in the system log. 
CAUSE :
This problem occurs because ownership of the file or of the directory that is identified in the system event message has been changed from the default group. By default, the group is the Administrators group. 
RESOLUTION :
To resolve this problem, apply the correct permissions to the log file that is mentioned in the event log message: 
In Microsoft Windows Explorer, locate the directory that is referenced in the event log message. By default, the location is %SystemRoot%\System32\LogFiles\.
Right-click the directory, and then click Properties. 
Click the Security tab, and then click Advanced. 
Click the Owner tab. 
In the Change owner to list, select the Administrators group. 

If you do not see the Administrators group, click Other Users or Groups, type ComputerName\administrators, and then click OK. 

Note Computer Name is a placeholder for the name of your computer.
Click to select the Replace owner on sub containers and objects check box, and then click OK two times.


Following information from newsgroup may help you to resolve your problem:

If you are using multiple domain IIS, following may help you to resolve.:

"WWW sites ....
When setting up, set up to the ALL web sites on your first IP ***.***.**.***
using port 80
Select to use Host Headers and setup the names as www.domain1.com and
domain1.com
Repeat this for as many sites as you have .....

FTP sites ....
When setting up, setup ALL sites on your second IP ***.***.**.*** using
ports above 1024,
increment this port number for each site ie 1025,1026,1027 etc
When FTPing to the site, you or your clients will ne
Reference Links An event ID 15006 error occurs and logging fails while IIS 6.0 is logging

More information

Troubleshooting Logging Problems

HTTP.sys Error Log Files

HTTP Status Codes

IIS 6.0 Log Management Documentation

Additional properties are now available for logging in the Httperr#.log file in IIS 6.0

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