This has been a regular problem with most of our Windows dedicated Server Clients as well as Windows Shared hosting client that has Plesk 8.4 installed on them, specially for those who need write permissions on web user for the ASP .NET/MSSQL and PHP/MySQL application, that the write permissions on the folder get removed own its own without any changes being made by us or the client. After allot of scratching and investigation we were finally able to reveal the secrete about the permissions issue. The problem was not with Plesk but the way we use to set permissions on the folder.

While I was searching for the solution I found the KB articel on Parallels sites below:

http://kb.parallels.com/en/1147

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To set more than one website on server you are required to set Host Headers
Procedure to set Host Headers
1) Load  IIS (Start >>> Run>>>type “inetmgr” hit enter)

2) On left pane, expand server name, then click “Web Sites“>>>right click on right pane>>>select  New>>>Web Site

3) Website Creation Wizard will open , here you have freedom to write absolutely anything (we will write – Testing) >>> Click Next

4)Under IP address and Port settings
Enter Ip address and port number (Default port – 80) and Host Header for the website >>> Click Next

5) Enter the path for Websites Home Directory and tick (check) “Allow anonymous access to this website” >>> Click Next

6) Under Website Access Permissions , necessary permissions for using ASP , Run Scripts can be used as per requirement. >>> Click Next

7) Click Finish and you’re done.

What is NTFS ?

The File system comes with Windows NT. (NT File System) An optional file system for Windows NT, 2000, XP and Vista. NTFS is the more advanced file system, compared to FAT32. It improves performance and is required in order to implement numerous security and administrative features in the OS. NTFS supports Active Directory domain names and provides file encryption. Permissions can be set at the file level rather than by folder, and individual users can be assigned disk space quotas. NTFS is designed to log activity and recover on the fly from hard disk crashes. It also supports the Unicode character set and allows file names up to 255 characters in length. See FAT32 and file system.

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