GUID-3B477532-EA3B-43A0-B62E-1924B07EF015.html#GUID-3B477532-EA3B-43A0-B62E-1924B07EF015___EISM_APPDX_DEBUG_64188 lists the debug switch for credential configuration.
Enable debugging in Server Manager on page 331 and Disable debugging in Server Manager on page 331 provide information on how to enable, initialize, disable, and de-initialize debug.