Event ID 784 — Resource Management

Published: January 8, 2010

Applies To: Windows Server 2008 R2

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RD Connection Broker manages resources such as user sessions, RD Session Host server farm membership, and RD Session Host servers running in redirection mode.

Event Details

Product: Windows Operating System
ID: 784
Source: Microsoft-Windows-TerminalServices-SessionBroker
Version: 6.1
Symbolic Name: EVENT_FAIL_SESSION_JOIN_SESSIONBROKER
Message: RD Connection Broker failed while adding session for user %1 (on target %2). HRESULT = %3

Resolve

Contact manufacturer of non-Microsoft plug-in

This issue can occur when:

  • A duplicate session ID was reported to the RD Connection Broker server.
  • The target session could not be located in the RD Connection Broker database.

In either case, you must contact the manufacturer of the non-Microsoft plug-in.

Verify

To verify that the RD Connection Broker server is managing resources correctly, examine Event Viewer logs and search for the following event messages.

To perform this procedure, you do not need to have membership in the local Administrators group. Therefore, as a security best practice, consider performing this task as a user without administrative credentials.

To verify that the RD Connection Broker server is managing resources correctly:

  1. On the RD Connection Broker server, click Start, point to Administrative Tools, and then click Event Viewer.
  2. In the Event Viewer console tree, navigate to Application and Services Logs\Microsoft\Windows\Microsoft-Windows-TerminalServices-SessionBroker, and then search for the following events:
    • Event ID 776, Source Microsoft-Windows-TerminalServices-SessionBroker: This event indicates that the server was successfully added to the RD Connection Broker.
    • Event ID 787, Source Microsoft-Windows-TerminalServices-SessionBroker: This event indicates that a session was successfully added to the RD Connection Broker database.

Related Management Information

Resource Management

Remote Desktop Services

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