كيف يمكن الترقية من windows server 2003 standard 32bit الى Windows 64bit Server 2008 R2 مع الحفاظ على Active Directory DC DNS DHCP MDaemon?

just do an upgrade , but you have to backup ur data before starting ..

please see here about upgrading the domainhttp://msmvps.com/blogs/mweber/archive/2012/07/30/upgrading-an-active-directory-domain-from-windows-server-2003-or-windows-server-2003-r2-to-windows-server-2012.aspx

sorry I dont read Arabic. so not clear on the requirement