|Message:||Process %1 (PID=%2). DSAccess failed to obtain DNS records for domain %3.DNS Priority and Weight for the Domain Controllers in this domain will be set to the defaultvalues %4 (priority) and %5 (weight).|
This Warning event indicates that the Exchange server is unable to retrieve information from the Domain Name System (DNS) service on the domain controllers in the local domain. Because of this Warning, clients may be unable to connect to the Exchange server. Microsoft® Exchange Directory Service Access (DSAccess) is a component of Exchange Server System Attendant service that queries for the DNS service records. This warning may be caused by any of the following conditions:
In such situations, the Exchange server may also not be able to connect to the global catalog servers in the domain (see event 2106 for more information).
Note System Attendant is the component in Exchange Server 2003 that is responsible for managing directory access. System Attendant includes various internal components, such as DSAccess and DSProxy, which communicate with Active Directory and cache directory information to increase the speed with which directory information is retrieved and to reduce the workload on domain controllers and global catalog servers.
To resolve DNS issues, do one or more of the following:
For more information about configuring DNS for Exchange 2003, see the Microsoft Knowledge Base article 322856, How to configure DNS to use with Exchange Server.