afcef.org is a command-line tool that extends the Active Directory schema In Windows Server , ADPREP follows the same logic and. Solution: You need to run the prep again but use adprep32 from the R2 DVD in the \sources\adprep folder adprepexe /forestprep adprepexe. I need to run adprep for r2 on a dc. I believe if you are looking for the 64 bit version there is a way to download it from Microsoft. afcef.org is a command-line tool that is available on the Windows Server / installation disc in the \sources\adprep folder, and it is. Windows Server R2 (or earlier): You need to run adprep on the domain EXE that is located on the installation DVD for the new operating system. I want to bring a Windows R2 Server into an existing Windows domain, therefore I need to run afcef.org Because my Windows. You need to run afcef.org on Windows Server or earlier versions. Later versions (Server /) automatically run adprep during the promotion of. Prepare your Domain for the Windows Server R2 Domain Note: You must run afcef.org from an elevated command prompt. To open. Before adding new Windows /R2 domain controller to existing / R2 AD environment we need to run afcef.org for schema. Windows Server R2 includes a bit version and a bit version of afcef.org The bit version runs by default. If you want to run one.