To solve this error: 1. Close Axapta 2. Copy the “smmPhone.ocx” file from this path : C:\Program Files (x86)\Microsoft Dynamics AX\Common and paste it here: C:\Program Files\Microsoft Dynamics AX\Common 3. Next, you rename the file to “CmxPhone.ocx” 4. After you do this, you open the command line (cmd) and enter in this command: regsvr32 "C:\Program Files\Microsoft Dynamics AX\Common\CmxPhone.ocx" (Note: This command registers the file on the system) 5. Press Enter. Open Axapta back up and the software should open without the error message popping back up.
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