IF You are getting the following error while synchronizing the database checklist in AX2012 R2 " Failed to create a session$ confirm that the user has the proper privileges to log on to Microsoft Dynamics. " You can try following steps to resolve this issue Try generating the FULL CIL. I was getting the same error while creating Sales order and it resolved after FULL CIL generation. This seems to be a common problem in AX 2012. "Do a full CIL compile or Tools > Options > Development > uncheck "Execute business operations in CIL" and Restart the AOS "Mostly the Full CIL Compile should solve the issue
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