Active Directory – Page 5

January 11, 2014August 12, 2014Active Directory, Server

Unable to Ping/RDP to Windows Server 2003 R2 SP2 after running the DCPromo

Cause: This happens since DCPromo on Windows Server 2003 R2 SP2 enables FireWall on the system. You can notice this observing a Security/lock icon on your network interface connection. Fix: You need disable the Firewall on the DC. < p>

January 11, 2014Active Directory

Handling Loss of Domain Controller that was hosting the Forest Level Roles

It’s unfortunate to be in situation of losing a domain controller and it gets worst if that was one of the role master. Here I’d like to detail a scenario and possible options within AD and out of the box to handle such an incident. Scenario: Assume you have DCs with one hosting Forest Level and the other hosting the Domain Level FSMO roles. These two DCs are physical systems running with Windows Server 2003 R2 SP2. These servers are located in two different sub networks as well as in different geographical locations. Systems layout: DataCenter#1: US ServerName: […]

November 21, 2013Active Directory

How Domain Controllers Are Located in Windows

This sequence describes how the Locator finds a domain controller: On the client (the computer that is locating the domain controller), the Locator is initiated as an remote procedure call (RPC) to the local Netlogon service. The Locator DsGetDcName application programming interface (API) call is implemented by the Netlogon service. The client collects the information that is needed to select a domain controller and passes the information to the Netlogon service by using the DsGetDcName call. The Netlogon service on the client uses the collected information to look up a domain controller for the specified domain in one of two […]