Receive the following:
An object of the type Microsoft.SharePoint.Administration.SPWebApplicationProvisioningJobDefinition named "Provisioning GUID" already exists under the parent Microsoft.SharePoint.Administration.SPWebService named "". Rename your object or delete the existing object.
Launch the Central Admin > Operations > Timer Job Definitions and locate the “Provisioning web application” job. Open and the job and delete it from the queue. Run stsadm –o execsvcadmjobs to force the timer jobs run.