If during sync if you have your custom attributes defined in your FIMMA's "Configured Attribute Flows" and if those attributes HAVE values, you could come across the error on Export run as "failed-creation-via-web-services"! Well.. When you extend the FIM2010 Schema with some of custom attributes binded to the Users resource, don't forget to edit the MPR ( Synchronization: Synchronization account controls users it synchronizes ) first!!!. This is under the "Target Resource/select specific attribute" for MPR(Synchronization: Synchronization account controls users it synchronizes), just add your custom attribute..
Proven expert tricks for field consultants within identity space to speed up deliveries for their tasks in hands.