When you try to log in on the domain (Active Directory) computer, you get an error “The trust relationship between this workstation and the primary domain failed“. Reason for this error is that either there is another computer with the same name that has been joined the same Active Directory, or computer account has not been used in long time, so the computer account password has expired. You can of course still disjoin computer from the AD and join it again, but there is more simple way and requires less administrative effort. Continue reading “How to reset computer account in Active Directory without disjoining computer from the AD”
To reset the domain admin password you will need physical access to the server or access to the virtual environment. In this example I will cover Windows 2012 procedure. Place installation DVD in your server or mount ISO file using your virtual machine settings. Continue reading “How to reset Active Directory domain administrator password”
Even though there is a possibility to use VMware Tools to synchronize local Windows Server clock with ESX host, it is best practice to use external reliable NTP source. To configure NTP source in Windows Server, open Command Prompt and type the following: Continue reading “How to configure NTP in Windows Server 2008”
In multi domain controller environment, client(s) sends out the request to locate a domain controller. The domain name is the NetBIOS 16 character name, where 16th character is used by Microsoft to identify NetBIOS type. The type for domain controller is <C1>, so the name of domain controller for “SEFNET” domain would be “SEFNET<C1>“. If there is a WINS server on the local network, then the client will send the request to WINS server, if not, local LMHOSTS file be used.
Continue reading “How to force a client to validate its logon against the specific domain controller”
Using right-click desktop context menu is the quickest way to perform most often file operations. Now, you can actually add shortcut to any program you want and run it directly from the context menu.
Before proceeding, please make sure you take backup of your registry database. If you do not know how to do that, consult this Microsoft article.