Infrastructure FSMO role

I have a customer with a very small, simple AD environment.  One DC running Server 2008. Domain level Server 2008, forest level Server 2000.  They requested a health check due to some odd behaviors.  I found that the Infrastructure master is "Unknown".  When I check the FSMO roles it simply states "Error" in the GUI.  The below event is logged:

Log Name:      Directory Service
Source:        Microsoft-Windows-ActiveDirectory_DomainService
Date:          11/14/2014 9:17:18 AM
Event ID:      2091
Task Category: Replication
Level:         Warning
Keywords:      Classic
User:          ANONYMOUS LOGON
Computer:      dc.domain.com
Description:

Ownership of the following FSMO role is set to a server which is deleted or does not exist.
 
Operations which require contacting a FSMO operation master will fail until this condition is corrected.

netdom query fsmo roles give the following instead of the proper distinguished name.

Infrastructure - CN=NTDS Settings\0ADEL:83aeeec3-ff1a-4046-bd72-ef5807175603,CN=
SERVER\0ADEL:ebf558d1-3876-49f6-b361-aea9ac407e5f,CN=Servers,CN=Default-First-S
ite-Name,CN=Sites,CN=Configuration,DC=domain,DC=com


All other FSMO roles show ok and since there is only one DC, it obviously must host all roles.

I have no idea how long it has been in this state but the oldest log is from 11/2015.  

My question: is there a risk of introducing stale objects or creating other problems if I try to fix this issue?  The customer is actually wanting to just build a completely new forest/domain with server 2012r2 instead of trying to fix problems with this old environment.

Any comments or observations would be helpful.  

Thank you.
ENTPFAsked:
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Toni UranjekConsultant/TrainerCommented:
Seize infrastructure master role and that's it.
ENTPFAuthor Commented:
So there's no risk to introduce phantoms or stale objects?

Thanks.
Toni UranjekConsultant/TrainerCommented:
The Infrastructure Master role is responsible for updating references from one object to another in remote domain.

As I understand, you have single domain forest? Phantom objects are created if external references till exist.

Was this domain at any time part of multidomain forest?
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ENTPFAuthor Commented:
No, it was not.
Toni UranjekConsultant/TrainerCommented:
Just sieze the role and you are done. I can not imagine you will encounter any problems.

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ENTPFAuthor Commented:
Thanks for the assistance.
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