Microsoft KB Archive/172814

= Control Unit Image Number Not Supported on ESCON =

Article ID: 172814

Article Last Modified on 7/15/2004

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APPLIES TO


 * Microsoft SNA Server 2.1
 * Microsoft SNA Server 3.0 Service Pack 4
 * Microsoft SNA Server 4.0

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This article was previously published under Q172814





SYMPTOMS
There is no Control Unit Image Number support for ESCON-type channel connections.



CAUSE
SNA Server was not originally written to provide direct support for ESCON connections.



RESOLUTION
A Control Unit Image Number field has been added to connections using a channel-type link service. The field is found on the Address tab of the connection. It is an integer with a default value of 0 and a range of 0- 0xF. The Control Unit Image Number is ignored when using Bus&Tag channel- type links.



STATUS
Microsoft has confirmed this to be a problem in SNA Server versions 3.0 and 3.0 Service Pack 1 (SP1). This problem was corrected in the latest SNA Server version 3.0 U.S. Service Pack. For information on obtaining this Service Pack, query on the following word in the Microsoft Knowledge Base (without the spaces):

S E R V P A C K

Keywords: kbbug kbfix KB172814

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