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NetworkWorld: Bug knocks Active Directory for a loop

Apr 09, 2000, 22:41 (7 Talkback[s])

"The bug is linked to the number of IP addresses that are assigned to a single network interface card (NIC) or multiple NICs in a Win 2000 server that is acting as a domain controller. On servers hosting more than 51 IP addresses, all of the objects in Active Directory will disappear. In addition, the server will return an error message saying it is not operational when administrators try to access Active Directory Users and Computers, Active Directory Domains and Trusts, and Active Directory Sites and Services."

"Officials at the BugNet Web site also were able to recreate the bug, with a slight difference. They said they were able to log on to Active Directory and browse the network, but could not see directory entries. They also said they could no longer manage users and resources in Active Directory. BugNet also is investigating whether the bug affects the Domain Name System in Win 2000, but has yet to reach any conclusions."

"Microsoft has not said when patch will be available. "This issue is relatively arcane, given that most organizations deploying multi-homed servers supporting many IP addresses would deploy domain controllers on separate machines for greater fault tolerance and higher availability," says a Microsoft spokesman."

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