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Event ID: 2123 Source: MSExchangeDSAccess

Process INETINFO.EXE (PID=200). DSAccess is unable to connect to the Domain Controller domain although its service location (SRV) resource record was found in the DNS
The query was for the SRV record for _ldap._tcp.dc._msdcs.domain

The following domain controllers were identified by the query:

Common causes of this error include:
- Host (A) records that map the name of the domain controller to its IP addresses are missing  or contain incorrect addresses.
- Domain controllers registered in DNS are not connected to the network or are not running.
For information about correcting this problem type in the command line:
hh tcpip.chm::/sag_DNS_tro_dcLocator_messageHa.htm
As per Microsoft: "This event may be logged if the required A (Address) resource records that map the names of the domain controllers to their respective IP addresses do not exist in DNS". See MSEX2K3DB for additional information about this event.

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