Microsoft KB Archive/297002

= &quot;The RPC Server Is Unavailable&quot; Error Message and System Event IDs 5718 and 3013 =

Article ID: 297002

Article Last Modified on 11/1/2006

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APPLIES TO


 * Microsoft Windows NT Server 4.0 Standard Edition
 * Microsoft Windows NT Server 4.0 Enterprise Edition

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This article was previously published under Q297002



SYMPTOMS
When you try to synchronize a backup domain controller (BDC) with the primary domain controller (PDC) of a domain, the synchronization of the Security Accounts Manager (SAM) database may not succeed. You may receive the following error message on the BDC:

The RPC server is unavailable

The System Event Log of the BDC may display the following information:

Event ID: 5718

Event Type: Error

Event Source: Netlogon

Description: The full synchronization replication of the name database from the primary domain controller  failed with the following error:

Event ID: 3013

Event Type: Error

Event Source: Rdr

Description: The redirector has timed out a request to.



CAUSE
This behavior can occur if the communication link between the BDC and the PDC does not support large packet sizes, for example, packets that are more than 1024 bytes in size.



RESOLUTION
To resolve the behavior, adjust the communication link to support larger packet sizes. This setting is usually adjusted on a router.



MORE INFORMATION
To see whether there is a communication problem between the BDC and the PDC, use packets of increasing sizes and try to ping the PDC by IP address. You can use the ping command with the -l option. Also, you can use the Tracert.exe utility to determine where the packets are being dropped.

Keywords: kberrmsg kbnetwork kbprb KB297002

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