Microsoft KB Archive/71261

= 7.10 ISAM &quot;Feature Unavailable&quot; Error in OS/2 Protected Mode =

Article ID: 71261

Article Last Modified on 11/21/2006



This article was previously published under Q71261



SUMMARY
Microsoft Basic Professional Development System (PDS) version 7.10 provides support for OS/2 protected-mode ISAM file handling via the PROISAMP.DLL dynamic link library (DLL).

If the PROISAMP.DLL library is not in a directory specified in the OS/2 LIBPATH environment variable, Basic will not be able to locate the protected-mode ISAM library and will report a &quot;Feature unavailable&quot; error as soon as it attempts to execute an ISAM statement.

This information applies to the Microsoft Basic Professional Development System version 7.10 for MS OS/2.



MORE INFORMATION
The OS/2 environment variable LIBPATH is similar to the MS-DOS PATH environment variable, but LIBPATH lists the directories that OS/2 searches for dynamic link libraries (DLLs). Note that OS/2 does not automatically search the current directory for DLLs unless you specify it in the LIBPATH. LIBPATH cannot be changed from the OS/2 command line; it must be altered in the CONFIG.SYS file and the system restarted in order to effect a change to LIBPATH.

If you do not want to change the LIBPATH setting, you can also copy the Basic protected-mode DLLs into your OS/2 DLL directory, which is usually &quot;C:\OS2\DLL&quot;.

Additional query words: BasicCom

Keywords: KB71261

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