Active Directory network error: “Failed to Contact Domain Controller”
Occasionally users can not log in to our 2008 Active Directory network. They get a failed to contact a domain controller. We have two AD boxes and when this happens no one can log on. It lasts a few minutes at most. How can we troubleshoot and resolve this issue?

Answer Question   |  January 5, 2011  5:00 PM
Active Directory, Active Directory 2008, Active Directory Administration, Active Directory errors, Network connectivity

Active Directory Problem
Hi we are using 2003 microsoft server. from today morng im unable to open the active directory and other admin tools so pl tell is any solution for this.

Answer Question   |  July 6, 2010  6:59 AM
Active Directory, Active Directory errors, Windows Server 2003

not able to add users to AD users and computers
not able to add users to my AD. It shows some relative identifier missing

Answer Question   |  April 12, 2010  2:03 PM
Active Directory, Active Directory errors, Active Directory Users and Computers, relative identifier, Windows Server 2003

Active Directory Account Disappears and hours later Reappears
We have a problem that happened last week.  Where for what ever reason we had some user accounts and a group disappear from our Active Directory.  No one was logged in as an admin and no changes were made that day. This prevented the users from logging into the AD.   Later in the afternoon [...]

Answer Question   |  September 10, 2009  6:06 PM
Active Directory, Active Directory errors, Active Directory Groups

File Replication Between Servers for AD
I have three domain controllers and on one server I am receiving Event error 13508 messages which tells me the server is not replicationg. I tried a manual replication through Sites and Services and received a RPC server is unavailable. The server which is not working correctly is in a different physical location so the [...]

Answer Question   |  August 9, 2009  5:13 PM
Active Directory, Active Directory errors, Active Directory File Replication, Error: RPC server not available, RPC

Active Directory Users and Computers
I have windows server 2000 sp4.When I am trying to open Active Directory Users and Computers from stsrt->Administrative tools or from RUN or from MMC it is not opening and there is not any message. Please help me .

Answer Question   |  January 16, 2009  7:19 AM
Active Directory, Active Directory errors, Active Directory Users and Computers, Microsoft Management Console, MMC