Event ID - 706

Event Id	706
Source	Microsoft-Windows-DNS-Server-Service
Description	"The DNS server does not have a cache or other database entry for root name servers. Either the root hints file, cache.dns, or Active Directory must have at least one name server (NS) resource record, indicating a root DNS server and a corresponding host (A) resource record for that root DNS server. Otherwise, the DNS server will be unable to contact the root DNS server on startup and will be unable to answer queries for names outside of its own authoritative zones. To correct this problem, use the DNS console to update the server root hints. For more information, see the online Help. "
Event Information	According to Microsoft : Cause : This event is logged when DNS server does not have a cache or other database entry for root name servers. Resolution : Configure root hints Every DNS server in your network must be configured with the address of at least one root server. Otherwise, the DNS server will not be able to resolve queries for names outside the zones for which it is authoritative. To perform this procedure, you must have membership in Administrators , or you must have been delegated the appropriate authority. To configure a DNS server's root hints: On the DNS server, start Server Manager. To start Server Manager, click Start , click Administrative Tools , and then click Server Manager . In the console tree, expand Roles , expand DNS Server , and then expand DNS . Right-click the server, click Properties , and then click the Root Hints tab. Depending on whether you can copy root hints from another DNS server, do one of the following: Click Copy from Server , type the IP address or DNS name of a DNS server from which you can copy root hints, and then click OK . Click Add , and then for each server you want to add to the list, type the fully qualified domain name (FQDN) of the server, and then click Resolve . Verify : To verify a DNS server's root hints: On the DNS server, start Server Manager. To start Server Manager, click Start, click Administrative Tools , and then click Server Manager . In the console tree, expand Roles , expand DNS Server , and then expand DNS . Right-click the server, click Properties , and then click the Root Hints tab. The Name servers list should contain at least one server name.
Reference Links	Event ID 706 from Microsoft-Windows-DNS-Server-Service

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