|Thnaks for your replies.|
@wenderer: Yes clients are pointed to Domain Contrller for DNS. This is IBM x3650 intel Xeon based Server. what to see in LOGs?? and under which category??Application?Security??information??
@Tony: Never applied any type of GPO. Why u are asking about profile. From worksations all the user can loged in to Domain, but when i reboot or Remote Desktop the DC, it takes too much time, and am not able to install any antivirus on it.