No security context is available to allow impersonation.

Details
Product: Windows Operating System
Event ID: 1765
Source: RPC
Version: 5.0
Component: System Resources
Symbolic Name: RPC_S_NO_CONTEXT_AVAILABLE
Message: No security context is available to allow impersonation.
   
Explanation

The client must specify the security information which allows the server to impersonate the client.

   
User Action

Contact the supplier of the running distributed application.

Related:

The authorization service is unknown.

Details
Product: Windows Operating System
Event ID: 1750
Source: RPC
Version: 5.0
Component: System Resources
Symbolic Name: RPC_S_UNKNOWN_AUTHZ_SERVICE
Message: The authorization service is unknown.
   
Explanation

In a distributed (RPC) application, either the client or server attempted to set authentication and authorization information for the binding between the client and server. However, the authentication service named by the application client or server is unknown to Windows 2000.

   
User Action

Contact the supplier of the running distributed application.

Related:

The authentication service is unknown.

Details
Product: Windows Operating System
Event ID: 1747
Source: RPC
Version: 5.0
Component: System Resources
Symbolic Name: RPC_S_UNKNOWN_AUTHN_SERVICE
Message: The authentication service is unknown.
   
Explanation

In a distributed (RPC) application, either the client or server attempted to set authentication and authorization information for the binding between the client and server. However, the authentication service named by the application client or server is unknown to Windows 2000.

   
User Action

Contact the supplier of the running distributed application.

Related:

Cannot show or remove the window in the way specified.

Details
Product: Windows Operating System
Event ID: 1449
Source: Kernel
Version: 5.0
Component: System Resources
Symbolic Name: ERROR_INVALID_SHOWWIN_COMMAND
Message: Cannot show or remove the window in the way specified.
   
Explanation

An application, as part of its user interface, has tried to change the way a window is displayed. This was done in an inappropriate way, given the set of windows available to it. For example, the application might have tried to hide a window and activate another window, but there was no other window to activate.

   
User Action

Contact the supplier of the running application.

Related:

The user %1 has connected and failed to authenticate on port %2. The line has been disconnected.

Details
Product: Windows Operating System
Event ID: 20014
Source: RemoteAccess
Version: 5.0
Symbolic Name: ROUTERLOG_AUTH_FAILURE
Message: The user %1 has connected and failed to authenticate on port %2. The line has been disconnected.
   
Explanation

The connection attempt failed because the system could not authenticate the user.

Possible causes include:

  • The user provided incorrect credentials.
  • The connection request did not match any connection request policy.
   
User Action

To restore the connection, try one or both of the following:

  • Have the user specify the correct credentials.
  • Check the connection request policy on the server by using Internet Authentication Service (IAS) to validate whether the user’s connection request satisfies the policy.

    Related:

    The RDP protocol component %2 detected an error in the protocol stream and has disconnected the client.

    Details
    Product: Windows Operating System
    Event ID: 50
    Source: TermDD
    Version: 5.2
    Symbolic Name: STATUS_RDP_PROTOCOL_ERROR
    Message: The RDP protocol component %2 detected an error in the protocol stream and has disconnected the client.
       
    Explanation

    This error can occur if a terminal server receives packets over a Remote Desktop Protocol (RDP) connection that it cannot process.

       
    User Action

    To diagnose the specific problem, in the Event Viewer system log, review the Data section in the Event Properties dialog box for event ID 50, Source: TermDD.

    If the message description displayed in the Event Properties dialog box indicates that data encryption is the problem, see articles 323497, 307454, and 811770 in the Microsoft Knowledge Base. These articles provide information on how to resolve problems with RDP data encryption.

    If the message description indicates that X.224 is the problem, see article 312313 in the Microsoft Knowledge Base. This article provides more information on how to resolve problems with X.224.

    Related:

    How to configure Microsoft Remote Assistance to share the clipboard in Windows 7

    Remote Desktop allows you to share the clipboard. It even allows you to copy files through a copy and paste mechanism. However, remote assistance does not seem to allow you to do this. Microsoft has made many changes to remote assistance to simplify establishing the connection, however, once connected, I can’t even copy and paste text.

    Is there any way to fix this?

    Related: