PRB: Netlogon Logs Event ID 5719 on a Domain Controller (310339)

IMPORTANT: This article contains information about modifying the registry. Before you modify the registry, make sure to back it up and make sure that you understand how to restore the registry if a problem occurs. For information about how to back up, restore, and edit the registry, click the following article number to view the article in the Microsoft Knowledge Base:

256986 Description of the Microsoft Windows Registry

SYMPTOMS

When the Netlogon service starts or the service is under load, the following event may be logged to the Event Log:

Event Type:	Error
Event Source:	NETLOGON
Event Category:	None
Event ID:	5719
Date:		9/28/2001
Time:		4:12:55 PM
User:		N/A
Computer:	Server
Description:
No Windows NT or Windows 2000 Domain Controller is available for domain <domain name>. The following error occurred:
There are currently no logon servers available to service the logon request.  
Data:
0000: c000005e

RESOLUTION

WARNING: If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.

To resolve this problem, increase the MaxDgramBuffering value from 128 KB to 256 KB:

Start Registry Editor (Regedt32.exe).
Locate the following key in the registry:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NetBT\Parameters
On the Edit menu, click Add Value, and then add the following information:
Value Name: MaxDgramBuffering
Data Type: REG_DWORD
Value: 0x40000
Quit Registry Editor.
Restart the Netlogon service (you may have to restart the computer).

NOTE: If you are using Regedit instead of Regedt32 to modify the registry, either

right-click Parameters, click New, and then click REG_DWORD -or-
click New on the Edit menu, and then click REG_DWORD

and then add the new registry key information.

MORE INFORMATION

MaxDgramBuffering Details

Key: NetBT\Parameters
Value Type: REG_DWORD - Count of bytes
Valid Range: 0 - 0xFFFFFFFF
Default: 0x20000 (128 KB)
Description: This parameter specifies the maximum amount of memory that NetBT will dynamically allocate for all outstanding datagram send commands. After this limit is reached, further send commands will fail due to insufficient resources.

For additional information on other possible causes of this error, click the article numbers below to view the articles in the Microsoft Knowledge Base:

259883 Upgrading Windows NT 4.0 Domain Controller with FAT File System Does Not Install Active Directory

269119 Logging on to a Domain Does Not Work from a Windows 2000-Based RAS Client

REFERENCES

For additional information, click the article number below to view the article in the Microsoft Knowledge Base:

217023 Event ID 5701 Starting Netlogon on Domain Controller