Event ID - 1012

Event Id1012
SourceSBCore
DescriptionMultiple domain controllers running Windows Server 2003 for Small Business Server have been detected in your domain. This computer will shut down in <number> minutes unless you remove all but one of these from the domain.
Event InformationIf you installed SBS 2003 in a network, it should hold all Operation master roles within 2 weeks of installation. This is the factor which could cause this event.
Reference LinksHow To View and Transfer FSMO Roles in Windows Server 2003

Using Ntdsutil.exe to seize or transfer FSMO roles to a domain controller

How To Find Servers That Hold Flexible Single Master Operations Roles

Planning for Windows Small Business Server 2003

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