When an application has been ported from Btrieve to a SQL backend and the Btrieve access dll (w3btrv7 or wbtrv32) has been replaced, the application does not have any indication the backend has changed.  Perhaps you would like the application to verify which backend is in use or you want to be sure the correct version of the Mertech driver is installed.  This can be done through a standard BTRV function call using B_EXTENDED_VERSION (5026) defined in mds_btrieve.h provided with our driver SDK.
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Symptoms

When starting an application, it complains that Pervasive.SQL Version XX is not installed or that an old/incorrect version of Pervasive.SQL is installed.
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