Re: Default domain permissions on who can join a workstation to the domain

From: Liam Randall (lrandall_at_ISA-INC.COM)
Date: 04/12/05

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    Date:         Tue, 12 Apr 2005 12:37:34 -0400
To: NTBUGTRAQ@LISTSERV.NTBUGTRAQ.COM

    The Active Directory property your concerned with is "ms-DS-MachineAccountQuota". The easy way to modify this is to use the 2000 Support Tools included ADSIedit.msc; you can browse to your "DC=Your-Domain-Name,DC=com", right click properties, inspect (default is '10'), and then set the value.

    Reference:
    "Domain Users Cannot Join Workstations or Server to a Domain"
    http://support.microsoft.com/kb/251335/EN-US/

    You may want to check out O'Reilly's "Active Directory Cookbook"
    http://www.rallenhome.com/books/adcookbook/src/08.09-change_computer_quota.vbs.txt

    There's a script for limiting # of computers each user may join using perl or vbs if your going to develop some kind of 'hardening' procedure.

    Liam Randall
    Network Engineer 

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NTBugtraq Editor's Note:
Most viruses these days use spoofed email addresses. As such, using an Anti-Virus product which automatically notifies the perceived sender of a message it believes is infected may well cause more harm than good. Someone who did not actually send you a virus may receive the notification and scramble their support staff to find an infection which never existed in the first place. Suggest such notifications be disabled by whomever is responsible for your AV, or at least that the idea is considered.
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