JSI Tip 7347. How can I add a Domain B group to the local Administrators group of a Domain A workstation, so I can manage it immediately upon joining Domain B?

Jerold Schulman

October 20, 2003

3 Min Read
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Download the Local Group manipulation tool.

Joe Richards writes:

Lg - Local group manipulation tool. Create/Enumerate/Delete/set the comments of local groups locally or remotely in a domain or on a specific machine. Even add/remove members of the groups. This tool works in a slightly different way in that it pulls the SIDS of the security principals and adds those to the specific group. The reason I did this is so that you could add a group from the first domain into the machine of a second domain and then move that machine into the first and have that group membership be valid.

To put it more specifically, say you have a machine in Domain A and you want to put it into Domain B and gosh darn it you have the ability to do that through delegation or something. Well when the machine moves from Domain A to Domain B, Domain A Domain Admins are gone from the administrators group and Domain B domain admins are added. But wait, you aren't a Domain B Domain Admin!!! Unless you have a local ID on that box which is an administrator ID you are locked out from making any more changes. Not anymore, now you can pre-add the group you need say "OUAdmins of the Bob OU" from Domain B to the administrators group of the machine. The SID you added will be unknown until such a time that the machine is added to the new domain at which point it will work.

Note that the tool is not aware of OU's yet so you can't create a group in a specific OU or see what OU a group exists in but that is something that I am thinking about for a future version as I actually need that functionality myself. Right now groups created land in the Users container but you can manipulate groups in OU's no problem.

G:DevcppLG>lg \pro1administratorsLG V01.01.00cpp Joe Richards ([email protected]) August 2002USER    : PRO1AdministratorGROUP   : JOEHOMEDomain AdminsBI-GROUP: NT AUTHORITYSYSTEMUSER    : JOEHOMEAdministrator4 members listedThe command completed successfully.Update: V1.01.00 - Added -lu option to list users in groups when doing enumeration (. option)         of all local groups on a domain or server.[Version: 1.01.00, Date: 08/20/2002]C:>lg /?LG V01.01.00cpp Joe Richards ([email protected]) August 2002Usage: LG Group SecPrin [switches]   Group         LocalGroup to work with   Group can be specified in the following ways:          o domainlocalgroup          o \serverlocalgroup          o localgroup          If Group is specified as domain. or \server.          localgroups at that location are enumerated          If Group is specified as . the localgroups on          the local machine are enumerated  SecPrin        Security Principal to add/remove from group  Switches: (designated by - or /)   -add          Add SecPrin to Group.   -remove       Remove SecPrin from Group   -addgroup     Add localgroup specified   -removegroup  Remove localgroup specified   -r computer   Specify computer to resolve SIDs. [LOCALHOST]   -comment      Display LG Comments   -setcomment   Set Comment for addgroup   -lu           List Users (only used for . enumerate option)  Ex1:    lg domain.      Enumerate localgroups on domain  Ex2:    lg domain. -lu      Enumerate all localgroups and members on domain  Ex3:    lg \computer.      Enumerate localgroups on computer  Ex4:    lg . -comment      Enumerate localgroups and comments on localhost  Ex5:    lg users      Enumerates members of localgroup users on localhost  Ex6:    lg \computerbob -addgroup -setcomment "bobs group"      Create bob localgroup on computer with comment  Ex7:    lg bob -setcomment "bobs group"      Sets comment for localgroup bob on localhost  Ex8:    lg users joe doug louise /add      Adds joe, doug, and louise to localgroup joe  Ex9:    lg comp1users louise -add -r comp3      Adds SID resolved at comp3 for louise to localgroup joe on comp1 This software is Freeware. Use it as you wish at your own risk. If you have improvement ideas, bugs, or just wish to say Hi, I receive email 24x7 and read it in a semi-regular timeframe. You can usually find me at [email protected]



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