1966091 - New installation of ECDA server won't start and reports message: The system cannot execute the specified program

New installation of ECDA (Enterprise Data Connect) server won't start and reports message "The system cannot execute the specified program".
See std io output below of server start attempt:

"C:\Sybase\ecda157\DC-15_0\bin>DCStart -Secda157"
---------------------------------------------------------------------
Setting environment variables for this install....
Using DC_SYBASE.bat Environment file from:
C:\Sybase\ecda157\DC-15_0
Changing Drive and Directory to $SYBASE\$SYBASE_ECON\bin required for execution:
C:\Sybase\ecda157\DC-15_0\bin

        1 file(s) copied.
---------------------------------------------------------------------
Running DirectConnect:
---------------------
- Using parameters = -Secda157
- Command line = C:\Sybase\ecda157\DC-15_0\connectivity\..\bin\direct -Secda157
---------------------------------------------------------------------
The system cannot execute the specified program.
C:\Sybase\ecda157\DC-15_0\bin>

Microsoft Windows Server 2003 R2 Standard Edition SP-2 32-bit
EnterpriseConnect Data Access (ECDA) 15.7 ODBC Option

MainframeConnect
MFC
DirectConnect
DC
DCA , KBA , BC-SYB-ECD , Enterprise Connect (ECDA) , BC-SYB-MFC , Mainframe Connect (MFC) , Problem