DNS may fail to start after applying SP4 if you have an invalid HINFO record in the zone file. You receive System error 13 has occurred. The data is invalid. and the System event log contains:
Event ID: 7023
Description:
The Microsoft DNS server service terminated with the following error:
The data is invalid.
Event ID: 1501
Event ID: 1503
Correct the HINFO record, insuring it has two strings.
Example of Invalid HINFO Record:
Test IN HINFO "WWW Server"
Example of Valid HINFO Record:
Test IN HINFO "WWW Server" "Customer Sites"
Description:
DNS server could not parse database file
Description:
DNS server could not parse the database file