Hello everyone long been following events are registered in DNS: I have 4 DCs Windows 2003 R2 SP2 ID 4521 DNS ID 9999 DNS ID 3000 DNS The most repeated is: Event ID: 4521 Source: DNS Type: Warning Description: The DNS Server Encountered error 9002 Attempting to load zone. from Active Directory. The DNS server will Attempt to load this zone again on the next timeout cycle. This Can Be Caused by high Active Directory load and May be a transient condition. Do you know how I can fix this?Microsoft Certified IT Professional Server Administrator

Thanks!, Execute this command and disappeared and DNS 4521 events dnscmd / config / bootmethod Regards Microsoft Certified IT Professional Server Administrator