Deploying a .vdb where a dynamic vdb has already been deployed, fails due to duplicates

deployed a dynamic vdb using CLI: deploy teiidfiles/vdb/portfolio-vdb.xml

then in Designer, tried to deploy the same named VDB, but as a .vdb and the deployment fails with errors indicating duplicate service:

11:26:31,301 ERROR [org.jboss.msc.service.fail] (MSC service thread 1-6) MSC000001: Failed to start service jboss.deployment.unit."Portfolio.vdb".INSTALL: org.jboss.msc.service.StartException in service jboss.deployment.unit."Portfolio.vdb".INSTALL: JBAS018733: Failed to process phase INSTALL of deployment "Portfolio.vdb"
at org.jboss.as.server.deployment.DeploymentUnitPhaseService.start(DeploymentUnitPhaseService.java:166) [jboss-as-server-7.5.0.Final-redhat-21.jar:7.5.0.Final-redhat-21]
at org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(ServiceControllerImpl.java:1980) [jboss-msc-1.1.5.Final-redhat-1.jar:1.1.5.Final-redhat-1]
at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1913) [jboss-msc-1.1.5.Final-redhat-1.jar:1.1.5.Final-redhat-1]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [rt.jar:1.7.0_55]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [rt.jar:1.7.0_55]
at java.lang.Thread.run(Thread.java:745) [rt.jar:1.7.0_55]
Caused by: org.jboss.msc.service.DuplicateServiceException: Service jboss.teiid.ds-listener.Portfolio.1./accounts-ds is already registered
at org.jboss.msc.service.ServiceRegistrationImpl.setInstance(ServiceRegistrationImpl.java:158) [jboss-msc-1.1.5.Final-redhat-1.jar:1.1.5.Final-redhat-1]