| Event Id | 4015 |
| Source | DNS |
| Description | The DNS server has encountered a critical error from the Active Directory. Check that the Active Directory is functioning properly. The event data contains the error. |
| Event Information | According to Microsoft: Cause 1: The DNS Server service uses Active Directory to store DNS data, and it encountered a Lightweight Directory Access Protocol (LDAP) error while querying the directory. This error could be caused by either a time-out or a temporary interruption of service. Resolution: If this message appears repeatedly, restart the DNS Server service. CAUSE 2: This problem occurs because Active Directory has a limitation of approximately 800 values that can be associated with a single object. In an Active Directory-integrated DNS zone, DNS names are represented by dnsNode objects, and DNS records are stored as values in the multi-valued dnsRecord attribute on dnsNode objects, causing the error messages listed earlier in this article to occur. RESOLUTION: To resolve this problem, obtain the latest service pack for Windows 2000. ------------------------------------------------------------------------------------------------------------------ This information from some newsgroups may help you: To solve this problem and stop these events do the following:
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| Reference Links | The DNS server has encountered a critical error from the Active Directory
Problems with Many Domain Controllers with Active Directory Integrated DNS Zones |
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