Domain Id Migration - Login Name Change from Andrew to Sam Andrew

Domain Id Migration - Login Name Change from Andrew to Sam Andrew

One of my user who was earlier login in domain A has his id migrated to domian B . The login id in both the domain is Andrew but the login name is change from Andrew to Sam Andrew. Both this person are the same.
 
The question is . What ever report created under the old domain cannot be seen when Andrew logs in to the new domain. How can he migrate the report over to his new domain profile .
 
eg login id is Andrew Login Name is Andrew (Old Domain)
     Aging Report, Weekly Priority One Incident Reports
 
 
eg login id is Andrew Login Name is Sam Andrew New Domain)
     Report are not visible
 
Regards
Kanten
 

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