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Cisco CallManager Event Viewer receives the "ChangeNotify-CRecieveThread::BlockPartWorker(absent without leave)" and "ChangeNotify-CRecieveThread::BlockPartWorker(bind fail[10048]" TFTP errors

Core Issue

These TFTP error messages are caused by:

  • Antivirus software installed on the TFTP server, and this software conflicts with port usage.
  • TFTP file caching.

The second of these errors always occurs immediately after the first. This is the syntax of each error:

  • Error 1:  Event Type: Error   Event Source: Cisco TFTP   Event Category: None   Event ID: 1   Date: 7/03/2005   Time: 13:00:14   User: N/A   Computer: CM001   Description: The description for Event ID ( 1 ) in Source ( Cisco TFTP ) cannot be found.    The local computer may not have the necessary registry information or message    DLL files to display messages from a remote computer.

    Note:  This information is part of the event: ChangeNotify-CRecieveThread::BlockPartWorker(    bind fail[10048]).

  • Error 2: Event Type: Error   Event Source: Cisco TFTP   Event Category: None   Event ID: 1   Date: 7/03/2005   Time: 13:00:14   User: N/A   Computer: CM001   Description: The description for Event ID ( 1 ) in Source ( Cisco TFTP ) cannot be found.    The local computer may not have the necessary registry information or message    DLL files to display messages from a remote computer.

    Note: This information is part of the event: ChangeNotify-CRecieveThread::BlockPartWorker(absent without leave).

Note: Bind fail[10048] usually means the port is already open by another application.

Resolution

To resolve this problem, perform this procedure:

  1. If any antivirus software is installed on the TFTP server, disable it.
  2. If TFTP file caching is enabled, disable it.

To disable TFTP file caching, follow these steps:

  1. Go to the Service/Service Parameter page, and select TFTP    Service.
  2. Click the Advanced button.
  3. Enable the Caching of Constant and Bin Files at Startup parameter.
  4. Set the Enable Caching of Configuration Files to false.

For related information, refer to Third-party Platform Agents Running with Cisco CallManager.

For related information, refer to Third-party Platform Agents Running with Cisco CallManager.

Version history
Revision #:
1 of 1
Last update:
‎06-22-2009 04:08 PM
Updated by:
 
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