AD Group types: universal groups, global groups, domain local groups Groups  Distribution Groups — Used for email. Useful for programs such as MS Exchange. Security Groups – Used to secure file/folders, printers, etc. Local – Stored on the local SAM (Local Computers) Domain Local – Stored on Domain Controllers. Global Groups – Gives you a […]

How to tell what version of AD/Exchange you have. To find the current Active Directory Schema Version, you can use one of the following methods:    Note: The internal root domain that we use in this demo is: “domain.com “.    1. Using “ADSIEdit.msc” or/and “LDP.exe” tools:   Navigate to:  “CN=Schema,CN=Configuration,DC=domain,DC=com”   and review the current […]

Delete orphan DCs from Active Directory The following commands should be run to cleanup orphan domains and domain controllers. At the command prompt, type ntdsutil ntdsutil: metadata cleanup Metadata cleanup: connections Server connections: connect to server yourserver.yourdomain.com (i.e. the root forest domain controller) Binding to yourserver.yourdomain.com ……. Connected to yourserver.yourdomain.com using credentials of locally logged […]

How to Troubleshoot Lingering Objects Lingering Object : An object which has been deleted on a domain controller and even garbage collected but it still remains on another domain controller is termed as a Lingering Object Some of the biggest annoyances for any Active Directory administrator are odd little things called lingering objects. These have […]