The chosen Default Domain always reverts back to JAWS domain. For exampe, if for example the eEM Domain is selected as default domain, after awhile the default domain which is JAWS will be seleted again.
Release : 6.4.2
Component :
As a workaround, please move the eEM domain on top of the list as shown below.
This will be fixed in AAI v6.4.2 HF4.