Microsoft KB Archive/251285

= Error Message: Setup Step Failed. Unable to Add C:\Program Files\SNA\COMTI\COMTISec.dll to the MTS COM+ Utilities Package. =

Article ID: 251285

Article Last Modified on 11/18/2004

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APPLIES TO


 * Microsoft SNA Server 4.0 Service Pack 2
 * Microsoft SNA Server 4.0 Service Pack 3
 * Microsoft COM Transaction Integrator for CICS and IMS 4.0 SP2
 * Microsoft COM Transaction Integrator for CICS and IMS 4.0 SP3

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This article was previously published under Q251285



SYMPTOMS
If the COM Transaction Integrator (COMTI) component is selected when you install SNA Server 4.0 Service Pack 2 (SP2) on Windows 2000-based computer, the following error message occurs:

Setup Step Failed

Unable to add C:\Program Files\SNA\COMTI\COMTISec.dll to the MTS COM+ Utilities package.



CAUSE
To give applications the ability to explicitly override security information when you use COMTI, a utility component is provided so you can add your callback pointer to the MTS context, and create new MTS objects inheriting from the modified context. This component is automatically installed in the MTS-supplied Utilities package. However, the Windows 2000 Component Services does not contain a Utilities package.



WORKAROUND
This error message does not prevent the Setup program from completing. You can continue the Setup program by clicking the OK button in the error dialog box. When you complete the setup and install SNA Service Pack 3, all COMTI features work except for explicit security. To use explicit security, add a new server application to the Windows 2000 Component Services. In this new application, install the COMTISec.dll file and the COMTISec.tlb file from the Snaroot\COMTI directory.



STATUS
Microsoft has confirmed that this is a problem in SNA Server 4.0 SP2 and SP3.



MORE INFORMATION
Please note that only SNA Server 4.0 Service Pack 3 or later is supported on Windows 2000.

For additional information on a potential problem using COMTI Explicit Security on Windows 2000, click the article number below to view the article in the Microsoft Knowledge Base:

260305 COMTI Explicit Security Callback Feature Fails on Windows 2000

Keywords: kbbug kbnofix KB251285

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