Dns server Reconstruction and Recovery

Dns server Reconstruction and Recovery | dns4521. If a DC with DNS installed is damaged and the DNS is rebuilt on another host, it seems that there is no problem in the first reconstruction. However, after the host role is disabled, the dns record was deleted by mistake, and the following error occurs after Rebuild:
Event Type: Warning event Source: DNS
Event Type: No event ID: 4521
Date: Event: 16:44:09
User: N/a computer: SVR01
Description: The DNS server encounters error 9002 when attempting to load a region from Active Directory. The DNS server will reload this region in the next timeout period. This may be caused by the Active Directory load being too high
And it may be temporary.

I cannot find this error ID. Please help me !!
A: based on the error message you provided, we recommend that you troubleshoot the following steps:
1. Set the region data to "from Registry" when the DNS server is started ".
A. Open the DNS console, right-click the DNS server-"properties"-"advanced ".
B. Set "loading region data at startup" to "from Registry ".
C. Restart the DNS server.
2. Use the ADSIEDIT tool to modify AD data based on the following KB.
Event ID 4515 is logged in the DNS Server log in Windows Server 2003
Http://support.microsoft.com/kb/867464/en-us
ForestDnsZones is the DNS application directory partition of the entire forest. It contains all DNS servers running on the domain controller in the forest. The DNS region stored in the application directory partition will be copied to all DNS servers running on the domain controller in the forest. DomainDnsZones is the DNS application directory partition for each domain in the forest. The DNS region stored in the application directory partition will be copied to all DNS servers running on the domain controller in the domain.
For details about how to create a default DNS application directory partition, refer to the following articles:
Create a default DNS application directory partition
Http://technet2.microsoft.com/windowsserver/zh-chs/library/c2d2fcbd-c859-493e-a4fc-aef57a880db12052.mspx? Mfr = true
By default, the DNS server uses the information stored in the registry to initialize the service and load data in any region on the server. As an additional option, you can configure the DNS server to boot from a file, or in the Active Directory environment, use the local registry data to supplement the region data retrieved by the Directory integration area stored in the Active Directory database.
Change the DNS server startup Method
Http://technet2.microsoft.com/WindowsServer/zh-CHS/Library/092322d8-ed7b-4cc3-bca8-a0d6622857ab2052.mspx? Mfr = true
Tom Zhang Yiping Microsoft Global Technical Support Center
For more information about how to restore a dns server, see
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Dns server Reconstruction and Recovery
Windows 2003AD domain DNS Restoration
--- Gnaw0725
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