[Ipopt] Problem with linear solver in GAMS

[Manuel Andres Ramos Castillo]

Dear all
I've been trying (unsuccesfully) to change the ipopt default linear solver in GAMS (MUMPS) to MA27. I tried creating the shared library and adding it to environment variable PATH (under windows), but the solver still doesn't recognize it and exits. Any help would be appreciated. Thank you. 
Manuel Ramos
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