Odd information in AD Sites and Services

Server 2008R2. Noticed that AD Sites and Services displays odd information (see pic). Where one would expect "<automatically generated>", it shows randomized set of characters. What is it, why and how to fix this? Thanks.
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nfinorthitAsked:
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Seth SimmonsSr. Systems AdministratorCommented:
my first guess would be the site connection was manually created and somehow the friendly name is gone and you're seeing the GUID for that object
Will SzymkowskiSenior Solution ArchitectCommented:
These are connections to DC's that no longer exists or have been demoted improperly. All you need to do is delete those connections and then from there right click on the NTDS Settings for the site and Run Replicaiton Topoloy again. It will then re-calculate and create appropriate connections.

The GUID is visable because the object no longer exists.

Will.
nfinorthitAuthor Commented:
To Spec01: Should I change "Domain Controller" to the one sitting at the central office that is connected to ALL my satelite DCs? Satelite DCs are not necessarily interconnected, but are surely connected to the central one.
Will SzymkowskiSenior Solution ArchitectCommented:
Yes, that is correct. The KCC should be able to make the connection if the physical connection is there.

Will.

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Windows Server 2008

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