Hello, Recently I have alot of disconnections from the domain of my win2k3 r2 sp2 with events 8021 and 8032. The server was working with 2 NICs teaming but no NLB or any cluster and I left it work now with only single NIC but still have the same events. I ran all the latest MS updates, Hardware firmware/BIOS updates but still no help. But when running browstat status command, I found that the master browser is not a WINS or DC server, but some other domain member server. I would like to know if it maybe the issue. Is it a must that the master browser should be a DC and WINS or any other domain member server can be master browser also. I would like to notice you that the issue occires on a domain member server and not on a DC!!! MCITP: DBA 2008 Admin, Server Admin, Virtualization 2008 R2 Admin | CCA: Citrix Certified Admin | MCTS: Configuring Exchange 2007 | MCSA: Messagig 2003

Have a look to this Microsoft article: http://support.microsoft.com/kb/135404 This posting is provided "AS IS" with no warranties or guarantees , and confers no rights. Microsoft Student Partner 2010 / 2011 Microsoft Certified Professional Microsoft Certified Systems Administrator: Security Microsoft Certified Systems Engineer: Security Microsoft Certified Technology Specialist: Windows Server 2008 Active Directory, Configuration Microsoft Certified Technology Specialist: Windows Server 2008 Network Infrastructure, Configuration Microsoft Certified Technology Specialist: Windows Server 2008 Applications Infrastructure, Configuration Microsoft Certified Technology Specialist: Windows 7, Configuring Microsoft Certified IT Professional: Enterprise Administrator

Hi, For this networking issue, I suggest that you post to the Networking forum. The support professionals there are better qualified to assist you: Platform Networking http://social.technet.microsoft.com/Forums/en-US/winserverPN/threads Meanwhile, besides the KB135404, you can also refer to the following KB articles to troubleshoot the issue: Event IDs 8032 and 8021 are recorded, and you cannot contact a Windows 2000-based computer on your local network segment http://support.microsoft.com/default.aspx?scid=kb;EN-US;888816 Troubleshooting the Microsoft Computer Browser Service http://support.microsoft.com/kb/188305#top As to the concern about the master browser selection, you may want to have a look at the link below: Description of the Microsoft Computer Browser Service http://support.microsoft.com/kb/188001#top Regards, Cecilia Zhou -------------------------------------------------------------------------------- Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.

Hi, Besides the KB135404, you can also refer to the following KB articles to troubleshoot the issue: Event IDs 8032 and 8021 are recorded, and you cannot contact a Windows 2000-based computer on your local network segment http://support.microsoft.com/default.aspx?scid=kb;EN-US;888816 Troubleshooting the Microsoft Computer Browser Service http://support.microsoft.com/kb/188305#top As to the concern about the master browser selection, you may want to have a look at the link below: Description of the Microsoft Computer Browser Service http://support.microsoft.com/kb/188001#top In a Windows NT domain structure, the primary domain controller (PDC) is always selected as the domain master browser. Only the PDC can be a domain master browser. If a PDC is not present, a domain master browser is not available and you are unable to obtain browse lists from workgroups other than the workgroup you are located in. If there is not a domain controller present on a given network segment, then an election process is started that chooses a master browser and backup browser from the computers on the segment. Regards, Cecilia Zhou -------------------------------------------------------------------------------- Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.