Certain WorkflowGen web service methods require an additional configuration setting to be called by a user.
In the \wfgen\ws\web.config file, edit the following key to authorize WorkflowGen administrators to use the secured web methods:
<add key="ProcessesRuntimeWebServiceAllowedUsers" value="wfgen_admin,MYDOMAIN\myusername" />
The value contains a comma-separated list of usernames.
According to your authentication method, the username must be prefixed by the domain name.
The following web service API methods are secured by this setting:
RaiseCancelExceptionOnActivityInstanceRaiseCancelExceptionOnActivityInstanceByNameRaiseExceptionOnActivityInstanceRaiseExceptionOnActivityInstanceByNameUpdateProcessInstanceData-
StartProcess, with theImpersonateUsernameSOAP or GET/POST parameter