Microsoft KB Archive/183789

= Host Fails To Allocate Session To A CONNECT:Direct Client On NT =

Article ID: 183789

Article Last Modified on 11/18/2004

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APPLIES TO


 * Microsoft SNA Server 3.0
 * Microsoft SNA Server 2.11 Service Pack 1
 * Microsoft SNA Server 2.11 Service Pack 2
 * Microsoft SNA Server 3.0 Service Pack 4
 * Microsoft SNA Server 4.0
 * Microsoft SNA Server 3.0 Service Pack 2
 * Microsoft SNA Server 4.0

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This article was previously published under Q183789



SYMPTOMS
When CONNECT:Direct for Windows NT is configured to operate on a separate computer running Windows NT than the SNA Server, the host may fail to successfully submit a job (for example, file transfer, automation operations, and so forth) to the CONNECT:Direct workstation.

SNA Server version 3.0 and higher may post the following messages in the Windows NT application Event Log:

Event ID: 705

Source: SNA Base Service

Description: Logon Failed.

Explanation: Connection request failed due to data security.

GetChallengeResponse failed --- Error Code: C0000008H

Event ID: 705

Source: SNA Base Service

Description: Logon Failed.

Explanation: Connection request failed due to data security.

RegisterLogonProcess failure --- Error Code: C0000041H

Event ID: 705

Source: SNA Server

Description: Logon Failed.

Explanation: Connection request failed due to data security. Invalid

Challenge Response --- Error Code: 002B000AH



CAUSE
The CONNECT:Direct service running on the Windows NT workstation is configured to operate under the Local System Account - therefore running with NULL credentials. When the application service attempts to establish a session to SNA Server after receiving the Attach (FMH-5) message from the host, it fails because of security (lack of credentials).

The Attach message from the host may get processed successfully if the SNABASE service is operating with appropriate credentials.



RESOLUTION
Configure the CONNECT:Direct service to use a User Account and password instead of the Local System Account or enable the Guest account on the SNA Server. The user account must have the right to act as part of the operating system.

Keywords: kbprb KB183789

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