Sage KB Entry: [Unable to complete registration when trying to start Sage Exchange](https://support.na.sage.com/selfservice/viewdocument.do?noCount=true&externalId=75186&sliceId=1&noCount=true&isLoadPublishedVer=&docType=kc&docTypeID=DT_Article&stateId=12388&cmd=displayKC&dialogID=501749&ViewedDocsListHelper=com.kanisa.apps.common.BaseViewedDocsListHelperImpl&openedFromSearchResults=true)