That suggests to me you have the bug in the SAS notes I gave the links for. Tech Support should be able to provide a fix.
Looks like that is a known bug for Progress / DataDirect drivers, but not in your SAS version:
https://support.sas.com/kb/65/083.html
https://support.sas.com/kb/66/971.html
I'd suggest opening a Tech Support track explaining you have the same problem in SAS 9.4 M7.
When did this start happening? Have you updated your SAS version recently?
The Waring is an informational message indicating the at the data direct driver needs to be used for SAS Access interface and not any other application.
I suggest that a ticket be created with SAS Tech Support to get advice that is applicable to your installation.
That suggests to me you have the bug in the SAS notes I gave the links for. Tech Support should be able to provide a fix.
"Updated sas from 9.3 to 9.4m7 in last year November.
From that time we have been getting this warning"
SAS tech support is the best place to reach out to in this case.
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