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ITsVISTA KB-Link: KB961775

New AFD connections fail when software that uses TDI drivers is installed on a Windows Server 2008 or Windows Vista SP1 system that is running on a computer that has multiple processors

When software that uses Transport Driver Interface (TDI) drivers, such as some antivirus software, is installed on a Windows Server 2008 system or on Windows Vista Service Pack 1 (SP1) system, the handle count of the system process keeps increasing. This problem occurs if the Windows Server 2008 system or the Windows Vista Service Pack 1 (SP1) system is running on a computer that has multiple processors. If this issue occurs for some time, the computer begins to run out of system resources. Therefore, any new automatic file distribution (AFD) connection to this computer fails.

Additionally, the following problems may occur if the computer is a domain controller:

  • User authentication fails
  • Sysvol replication fails
  • One of the following Netlogon events occurs:
    • Netlogon event 5775
    • Netlogon event 5792
    • Netlogon event 5792
    • Netlogon event 5719

For example, the following is a sample event when Netlogon event 5775 occurs:

Log Name: System
Event ID: 5775
Level: Error
Keywords: Classic
The dynamic deletion of the DNS record '. 600 IN SRV 0 100 389 .' failed on the following DNS server:
DNS server IP address: 
Returned Response Code (RCODE): 5
Returned Status Code: 10055
To prevent remote computers from connecting unnecessarily to the domain controller, delete the record manually or troubleshoot the failure to dynamically delete the record. To learn more about debugging DNS, see Help and Support Center.

Error Value: An operation on a socket could not be performed because the system lacked sufficient buffer space or because a queue was full. 
There is a download that resolves this issue. See Hotfixes for details.
32-bit Download: Contact Microsoft
64-Bit Download: Contact Microsoft

For more information on this issue, including potential causes, workarounds, and resolutions, see: Microsoft KB Article KB961775.

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