OSIMGMT start option

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   .-OSIMGMT--=--NO------.   
>>-+---------------------+-------------------------------------><
   '-OSIMGMT--=--+-YES-+-'   
                 '-NO--'     

Specifies whether the VTAM® topology agent code and the CMIP services code is to be loaded and activated for use.

You can change the value of OSIMGMT with the MODIFY VTAMOPTS command while VTAM is running.
OSIMGMT=YES
Specifies that the VTAM topology agent code and the CMIP services code is to be loaded and activated for use. If you want to support CMIP application programs on VTAM, including the VTAM topology agent, specify YES for this start option.

If you specify OSIMGMT=YES, a directory definition file is required. See CMIP services directory definition file for information on coding the directory definition file. For further information on the CMIP services directory definition file, see z/OS Communications Server: SNA Network Implementation Guide.

OSIMGMT=NO
Specifies that the VTAM topology agent code and the CMIP services code is not to be loaded. If you do not want to use the VTAM topology agent or CMIP services on this host, specify NO.