Some sites will resolve and others won't... ie, I can almost always go to google.com but yahoo.com sometimes won't work... same with other sites... some work almost always and some almost never... I have deleted and re-installed the DNS role... see attached .txt files of dcdiag / fix info for errors...I am a neeeewb so please be easy on me... thanks!Directory Server Diagnosis Performing initial setup: Trying to find home server... * Verifying that the local machine LPServer, is a Directory Server. Home Server = LPServer * Connecting to directory service on server LPServer. * Identified AD Forest. Collecting AD specific global data * Collecting site info. Calling ldap_search_init_page(hld,CN=Sites,CN=Configuration,DC=lonepeak,DC=local,LDAP_SCOPE_SUBTREE,(objectCategory=ntDSSiteSettings),....... The previous call succeeded Iterating through the sites Looking at base site object: CN=NTDS Site Settings,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=lonepeak,DC=local Getting ISTG and options for the site * Identifying all servers. Calling ldap_search_init_page(hld,CN=Sites,CN=Configuration,DC=lonepeak,DC=local,LDAP_SCOPE_SUBTREE,(objectClass=ntDSDsa),....... The previous call succeeded.... The previous call succeeded Iterating through the list of servers Getting information for the server CN=NTDS Settings,CN=LPSERVER,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=lonepeak,DC=local objectGuid obtained InvocationID obtained dnsHostname obtained site info obtained All the info for the server collected * Identifying all NC cross-refs. * Found 1 DC(s). Testing 1 of them. Done gathering initial info. Doing initial required tests Testing server: Default-First-Site-Name\LPSERVER Starting test: Connectivity * Active Directory LDAP Services Check Determining IP4 connectivity Determining IP6 connectivity * Active Directory RPC Services Check ......................... LPSERVER passed test Connectivity Doing primary tests Testing server: Default-First-Site-Name\LPSERVER Test omitted by user request: Advertising Test omitted by user request: CheckSecurityError Test omitted by user request: CutoffServers Test omitted by user request: FrsEvent Test omitted by user request: DFSREvent Test omitted by user request: SysVolCheck Test omitted by user request: KccEvent Test omitted by user request: KnowsOfRoleHolders Test omitted by user request: MachineAccount Test omitted by user request: NCSecDesc Test omitted by user request: NetLogons Test omitted by user request: ObjectsReplicated Test omitted by user request: OutboundSecureChannels Test omitted by user request: Replications Test omitted by user request: RidManager Test omitted by user request: Services Test omitted by user request: SystemLog Test omitted by user request: Topology Test omitted by user request: VerifyEnterpriseReferences Test omitted by user request: VerifyReferences Test omitted by user request: VerifyReplicas Starting test: DNS DNS Tests are running and not hung. Please wait a few minutes... ERROR: NO DNS servers for IPV6 stack was found See DNS test in enterprise tests section for results ......................... LPSERVER passed test DNS Running partition tests on : ForestDnsZones Test omitted by user request: CheckSDRefDom Test omitted by user request: CrossRefValidation Running partition tests on : DomainDnsZones Test omitted by user request: CheckSDRefDom Test omitted by user request: CrossRefValidation Running partition tests on : Schema Test omitted by user request: CheckSDRefDom Test omitted by user request: CrossRefValidation Running partition tests on : Configuration Test omitted by user request: CheckSDRefDom Test omitted by user request: CrossRefValidation Running partition tests on : lonepeak Test omitted by user request: CheckSDRefDom Test omitted by user request: CrossRefValidation Running enterprise tests on : lonepeak.local Starting test: DNS Test results for domain controllers: DC: LPServer.lonepeak.local Domain: lonepeak.local TEST: Authentication (Auth) Authentication test: Successfully completed TEST: Basic (Basc) Microsoftr Windows Serverr 2008 Standard (Service Pack level: 1.0) is supported NETLOGON service is running kdc service is running DNSCACHE service is running DNS service is running DC is a DNS server Network adapters information: Adapter [00000006] Broadcom NetXtreme Gigabit Ethernet: MAC address is 00:23:7D:D6:8B:31 IP Address is static IP address: 192.168.0.5 DNS servers: 127.0.0.1 (LPSERVER) [Valid] The A host record(s) for this DC was found Warning: The AAAA record for this DC was not found [Error details: 9501 (Type: Win32 - Description: No records found for given DNS query.) - lonepeak.local] The SOA record for the Active Directory zone was found The Active Directory zone on this DC/DNS server was found primary Root zone on this DC/DNS server was not found TEST: Forwarders/Root hints (Forw) Recursion is enabled Forwarders are not configured on this DNS server Root hint Information: Name: a.root-servers.net. IP: 198.41.0.4 [Valid] Name: b.root-servers.net. IP: 192.228.79.201 [Valid] Name: c.root-servers.net. IP: 192.33.4.12 [Valid] Name: d.root-servers.net. IP: 128.8.10.90 [Valid] Name: e.root-servers.net. IP: 192.203.230.10 [Invalid (unreachable)] Error: Root hints list has invalid root hint server: e.root-servers.net. (192.203.230.10) Name: f.root-servers.net. IP: 192.5.5.241 [Valid] Name: g.root-servers.net. IP: 192.112.36.4 [Valid] Name: h.root-servers.net. IP: 128.63.2.53 [Invalid (unreachable)] Error: Root hints list has invalid root hint server: h.root-servers.net. (128.63.2.53) Name: i.root-servers.net. IP: 192.36.148.17 [Valid] Name: j.root-servers.net. IP: 192.58.128.30 [Valid] Name: k.root-servers.net. IP: 193.0.14.129 [Valid] Name: l.root-servers.net. IP: 199.7.83.42 [Valid] Name: m.root-servers.net. IP: 202.12.27.33 [Valid] TEST: Delegations (Del) No delegations were found in this zone on this DNS server TEST: Dynamic update (Dyn) Test record _dcdiag_test_record added successfully in zone lonepeak.local Test record _dcdiag_test_record deleted successfully in zone lonepeak.local TEST: Records registration (RReg) Network Adapter [00000006] Broadcom NetXtreme Gigabit Ethernet: Matching CNAME record found at DNS server 192.168.0.5: 285a1c71-afae-463b-b635-3f3b94bbab0f._msdcs.lonepeak.local Matching A record found at DNS server 192.168.0.5: LPServer.lonepeak.local Warning: Missing AAAA record at DNS server 192.168.0.5: LPServer.lonepeak.local [Error details: 9501 (Type: Win32 - Description: No records found for given DNS query.)] Matching SRV record found at DNS server 192.168.0.5: _ldap._tcp.lonepeak.local Matching SRV record found at DNS server 192.168.0.5: _ldap._tcp.678e5798-7e17-417f-9583-1d3c6d45a192.domains._msdcs.lonepeak.local Matching SRV record found at DNS server 192.168.0.5: _kerberos._tcp.dc._msdcs.lonepeak.local Matching SRV record found at DNS server 192.168.0.5: _ldap._tcp.dc._msdcs.lonepeak.local Matching SRV record found at DNS server 192.168.0.5: _kerberos._tcp.lonepeak.local Matching SRV record found at DNS server 192.168.0.5: _kerberos._udp.lonepeak.local Matching SRV record found at DNS server 192.168.0.5: _kpasswd._tcp.lonepeak.local Matching SRV record found at DNS server 192.168.0.5: _ldap._tcp.Default-First-Site-Name._sites.lonepeak.local Matching SRV record found at DNS server 192.168.0.5: _kerberos._tcp.Default-First-Site-Name._sites.dc._msdcs.lonepeak.local Matching SRV record found at DNS server 192.168.0.5: _ldap._tcp.Default-First-Site-Name._sites.dc._msdcs.lonepeak.local Matching SRV record found at DNS server 192.168.0.5: _kerberos._tcp.Default-First-Site-Name._sites.lonepeak.local Matching SRV record found at DNS server 192.168.0.5: _ldap._tcp.gc._msdcs.lonepeak.local Matching A record found at DNS server 192.168.0.5: gc._msdcs.lonepeak.local Warning: Missing AAAA record at DNS server 192.168.0.5: gc._msdcs.lonepeak.local [Error details: 9501 (Type: Win32 - Description: No records found for given DNS query.)] Matching SRV record found at DNS server 192.168.0.5: _gc._tcp.Default-First-Site-Name._sites.lonepeak.local Matching SRV record found at DNS server 192.168.0.5: _ldap._tcp.Default-First-Site-Name._sites.gc._msdcs.lonepeak.local Matching SRV record found at DNS server 192.168.0.5: _ldap._tcp.pdc._msdcs.lonepeak.local Warning: Record Registrations not found in some network adapters Summary of test results for DNS servers used by the above domain controllers: DNS server: 128.63.2.53 (h.root-servers.net.) 1 test failure on this DNS server PTR record query for the 1.0.0.127.in-addr.arpa. failed on the DNS server 128.63.2.53 [Error details: 1460 (Type: Win32 - Description: This operation returned because the timeout period expired.)] DNS server: 192.203.230.10 (e.root-servers.net.) 1 test failure on this DNS server PTR record query for the 1.0.0.127.in-addr.arpa. failed on the DNS server 192.203.230.10 [Error details: 1460 (Type: Win32 - Description: This operation returned because the timeout period expired.)] DNS server: 128.8.10.90 (d.root-servers.net.) All tests passed on this DNS server DNS server: 192.112.36.4 (g.root-servers.net.) All tests passed on this DNS server DNS server: 192.168.0.5 (LPSERVER) All tests passed on this DNS server Name resolution is functional._ldap._tcp SRV record for the forest root domain is registered DNS server: 192.228.79.201 (b.root-servers.net.) All tests passed on this DNS server DNS server: 192.33.4.12 (c.root-servers.net.) All tests passed on this DNS server DNS server: 192.36.148.17 (i.root-servers.net.) All tests passed on this DNS server DNS server: 192.5.5.241 (f.root-servers.net.) All tests passed on this DNS server DNS server: 192.58.128.30 (j.root-servers.net.) All tests passed on this DNS server DNS server: 193.0.14.129 (k.root-servers.net.) All tests passed on this DNS server DNS server: 198.41.0.4 (a.root-servers.net.) All tests passed on this DNS server DNS server: 199.7.83.42 (l.root-servers.net.) All tests passed on this DNS server DNS server: 202.12.27.33 (m.root-servers.net.) All tests passed on this DNS server Summary of DNS test results: Auth Basc Forw Del Dyn RReg Ext _________________________________________________________________ Domain: lonepeak.local LPServer PASS WARN FAIL PASS PASS WARN n/a ......................... lonepeak.local failed test DNS Test omitted by user request: LocatorCheck Test omitted by user request: Intersite

hi there, your question is more likely with windows networking component, as there is a dedicated forum to answer windows networking components such as ( dns, wins, rras, vpn , etc.. ) i would suggest you to post to the below link http://social.technet.microsoft.com/Forums/en-US/category/windowsservernavigate to platform networking / network infrastructure servers forumbest of luck.sainath Windows Driver Development