Forest-wide information can only be updated on the Active Directory Domain Controller that holds the schema operations master ...

Forest-wide information can only be updated on the Active Directory Domain Controller that holds the schema operations master role.
[Status/Consequence]
Adprep has stopped on this Active Directory Domain Controller and must be run on the current schema operations master, which is %1.
[User Action]
Log on to the %2 Active Directory Domain Controller, change to the directory of adprep.exe on the installation media, and then type the following command at the command prompt to complete the forest update: 
adprep.exe /forestprep

Forest-wide authentication Users in the %s forest can have access to all computers in the local forest. This option is preferred ... Forest-wide authentication Users in the local forest can have access to all computers in the %s forest. This option is preferred ... Forest-wide authentication Windows will automatically authenticate users from the local forest for all resources in the %s ... Forest-wide authentication Windows will automatically authenticate users from the specified forest for all resources in the ... Forest-wide information can only be updated on the Active Directory Domain Controller that holds the schema operations master ... Forest-wide information needs to be replicated from the schema master role owner before the domain-wide information can be ... Forest-wide information needs to be updated before the domain-wide information can be updated. User Action Run the following ... Forestroot" is not a valid input for STARTNODE in dsquery quota. To find quota specifications in the domain, enter "domainroot". ... Forestroot" is not a valid input for STARTNODE in dsquery quota. To find quota specifications in the domain, enter "domainroot". ...