Home > Exchange 2003 > Exchange 2003\Windows 2003 Server- /ForestPrep fails on existing domain?

Exchange 2003\Windows 2003 Server- /ForestPrep fails on existing domain?

I had an existing test domain with Exchange 2003 installed and configured.  I decided to uninstall Exchange and re-install due to some configuration issues.  However, since this was the only Exchange server in the domain, uninstalling Exchange meant I was removing the last Exchange server from the forest.  This caused several problems.  The main issue was the orphaned Exchange objects that were left in Active Directory.  When I tried to re-install Exchange or perform a /ForestPrep I received this error:

"The component "Microsoft Exchange Forest Preparation" cannot be assigned the action "Forestprep" because to install the first Exchange server in a domain, or to run setup in "/ForestPrep" mode, you must be an Exchange Full Administrator at the organization level. You must use an account that has been granted the Full Exchange Administrator role on the Exchange organization using the Exchange Administrative Delegation Wizard. "

If you look in your Exchange Server Setup Progress Log, you will see the above error with ID:64283

After digging in AD and ensuring I was using a valid credential I found a KB article with the fix.  KB Article Here  (Be sure you are using a credential that is a Enterprise\Domain\Schema Admin to perform the /ForestPrep.  It must be ran on a Domain Controller.)

CAUSE

This issue may occur if the setup /forestprep command fails shortly after it creates the GUID org container and before it creates the related global containers, and Exchange 2003 does not have permission to the GUID org container.

WORKAROUND

To work around this issue, manually delete the GUID org container and the heuristics attribute by using the ADSI Edit snap-in, and then run the Exchange 2003 Setup /forestprep command again. The ADSI Edit snap-in is included in the Microsoft Windows Server 2003 Support Tools. To manually delete the GUID org container and the heuristics attribute by using the ADSI Edit snap-in, follow these steps.

Start the ADSI Edit snap-in. To do this, click Start, click Run, type adsiedit.msc in the Open box, and then click OK.

  1. Locate the CN=Configuration,CN=Services,CN=Microsoft Exchange,CN={335A1087-5131-4D45-BE3E-3C6C7F76F5EC} container.
  2. Note The CN={335A1087-5131-4D45-BE3E-3C6C7F76F5EC} container may also appear as CN=First Organization. (In my case, this was my Organization Name)
  3. Right-click the CN={335A1087-5131-4D45-BE3E-3C6C7F76F5EC} container, and then click Delete.
  4. Right-click the CN=Microsoft Exchange container, and then click Properties.
  5. On the Attribute Editor tab, click the heuristics attribute if it exists, click Edit, click Clear, and then click OK two times.
  6. Run the Exchange 2003 setup /forestprep command again.

At this point, I am now able to re-run the Exchange /ForestPrep setup.  Remember to then run the Exchange /DomainPrep before you run the Exchange install.

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Categories: Exchange 2003
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