Process %1 (PID=%2). DSAccess failed to obtain DNS records for forest %3.DNS Priority and Weight for the Global Catalog servers in this forest will be set to the defaultvalues %4 (priority) and %5 (weight).

Details
Product: Exchange
Event ID: 2106
Source: MSExchangeDSAccess
Version: 6.5.7596.0
Message: Process %1 (PID=%2). DSAccess failed to obtain DNS records for forest %3.DNS Priority and Weight for the Global Catalog servers in this forest will be set to the defaultvalues %4 (priority) and %5 (weight).
   
Explanation

This Warning event is logged when the Microsoft® Exchange Directory Access service cannot locate Domain Name System (DNS) records for the forest. When an MSExchangeDSAccess event 2106 is logged, e-mail clients may experience connectivity issues and logon issues.

   
User Action

To resolve this event, do one or more of the following:

  • Examine related events in the Application log and System log for Warning events and Error events that come before or after this event. These related events may provide more information about the root cause of this error.

  • Examine the health of DNS. For example, at a command prompt, run the following and other general DNS troubleshooting commands to examine the health of DNS: “ipconfig /all”, “Netdiag /debug /l”, and “nslookup.” As you examine the health of DNS, the following articles in the Microsoft Knowledge Base may apply:

  • Try to determine whether there is a problem with the service specified in the event description. For information about troubleshooting a specific Exchange service, search the Microsoft Knowledge Base.

  • Stop all non-essential services on the Exchange Server computer that is logging this error. For example, stop the services that interact with Exchange such as antivirus applications or e-mail filtering services. If ESE event 2106 does not occur after stopping these non-essential services, try to identify the specific service that is causing this error.

  • Make sure that you are running the most current Exchange Server 2003 updates and service packs. For information about Exchange Server updates and Service Packs, see Microsoft Knowledge Base article 906669, Issues that are fixed in Exchange Server 2003 Service Pack 2.

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