Normally no. MSKBQ304040, Description of File Sharing and Permissions in Windows XP, http://support.microsoft.com/search/preview.aspx?scid=kb;en-us;Q304040 (copy and paste the entire link. The forum software breaks it at the “;”)“Windows XP Home Edition-based computers always have Simple File Sharing enabled. Windows XP Professional-based computers that are joined to a workgroup have the Simple File Sharing UI enabled by default. Windows XP Professional-based computers that are joined to a domain use only the classic file sharing and security interface. When you use the Simple File Sharing UI (located in the folder's properties), both share and file permissions are configured.”
”If you disable Simple File Sharing, you have more control over the permissions to individual users; however, you must have advanced knowledge of NTFS and share permissions to keep your folders and files secure. If you disable Simple File Sharing, the Shared Documents feature is not turned off….”
Larry