The DNS server encountered domain name “%1” exceeding maximum length. Although the DNS server continues to load, ignoring this name, it is recommended that you either correct the name or remove the resource record from the zone file, which is located in the %SystemRoot%\\System32\\Dns directory.

Details
Product: Windows Operating System
Event ID: 1543
Source: DNS
Version: 5.0
Symbolic Name: DNS_EVENT_DOMAIN_NAME_TOO_LONG
Message: The DNS server encountered domain name “%1” exceeding maximum length. Although the DNS server continues to load, ignoring this name, it is recommended that you either correct the name or remove the resource record from the zone file, which is located in the %SystemRoot%\\System32\\Dns directory.
   
Explanation

The specified domain name exceeds the 254 character limit.

   
User Action

In DNS Manager:

1. Search the database files for the specified domain name.
2. Open each resource record and edit the specified name to correct it.
3. Stop and restart DNS using Services in Administrative Tools.
4. Check the domain name defined on the Identification tab of the TCP/IP Properties dialog box.

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