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Category: MySQL Server
Type: Question
Author: Gerald uy
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Single SBS 2003 server in small domain, obviously holding all FSMO roles, DNS, DHCP, File and Print, is not using any of the functionality of SBS, i.e. SQL or Exchange. I’ve tried to install and migrate it to a Server 2008 standard. ADPREP /forestprep and ADPREP /domainprep all ran successfully, Server 2008 is joined to SBS 2003 domain but when attempting to dcpromo Server 2008 into SBS 2003 domain, all go well until trying to replicate the schema. It shows the following error:

The operation failed because:

Active Directory Domain Services could not replicate the directory partition CN=Schema,CN=Configuration,DC=domain,DC=local from the remote Active Directory Domain Controller Server.domain.local.

"The source server is currently rejecting replication requests."

I have taken the following attempts to solve it:

1. Setting schema permissions for Domain Administrator (the account I am doing the dcpromo as) to the same as the Schema Admin Group.

2. Editing registry HKLM/System/CurrentControlSet/Services/NTDS/Parameters "Schema Update Allowed" to value of 1

3. Raising forest and domain functional level to Server 2003 native.

4. Disabling broadComm NIC on Server 2008 as I didn’t need it due to the dual Intel card.

Can anyone provide me with any help, please?

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# Comment Id: 64455

Hello Gerald Uy,

Here are some steps you can try to rectify the failure of schema replication in migrating SBS 2003 to SBS 2008. Be sure you have the proper permissions for Enterprise Admins, Schema Admins, and Domain Admins in running this software:

1. The schema for the Active Directory in Windows SBS 2003 is different to the schema used in Windows SBS 2008. Be sure to install Service Pack 2 for Windows SBS 2003 before doing this.

Backup your SBS 2003 schema first as the update on the schema is irreversible. Update the schema of the Source Server running Windows SBS 2003 using the Migration Preparation Tool provided in SBS 2008 installation media. If replication succeeds, ignore the next solutions.

2. Try running ADPREP /domainprep /gpprep instead of ADPREP /domainprep only. Verify if replication succeeds, if not try the next solutions.

3. Try running ADPREP /rodcprep command. If replication succeeds, ignore the next solution.

4. The fourth solution is very long as to be detailed here. It assumes you are starting from scratch which is not true in your case since you are already in the middle of the migration. Kindly use it as reference for what steps you might have missed in your migration. Check out Migrate Windows