DNS server stops responding to the Internet
Hello,I'm having very annoying issue with DNS server on Windows Server 2008 R2 SP 1The DNS server just stops responding outside to the Internet about my domain. However it responds localy about asking...
View ArticleDomain PCs Syncing Incorrect Time
HiThe time on our domain is set at around 6 minutes fast. If I manually change the time on any of the machines (including the domain controller), it will resync to the incorrect time in a matter of...
View ArticleNIC teaming error "general failure"
We have a few servers up and running with Server 2012, but two in particular, a pair of Dell R710's, are set to be clustered. They each have 4 NIC's, 2 are set aside on a separate network for iSCSI....
View ArticleInfrastructure to make Windows updates without "downtime" of virtual machines
Hi,I'm looking fortechnologyallowing me to dotheWindows updateswithout restartingvirtual machinesin production.Isthere suchan infrastructureinHyper-V orVMware (ESXi)?Thank you! FrançoisFrankyGx
View ArticleTroubleshoot DNS Time Stamps
Hi,I work in an environment where we have multiple AD sites, each site has 2 DHCP servers. Most of our leases are 1 day leases. Our DHCP servers are set to update DNS A and PTR records “Dynamically...
View ArticleWin 2008 RRAS Port Fowarding to Hyper-V VM Not Working
If anyone can help me out on this issue, it would be greatly appreciated. It's given me over a week of grief, and I still can't find the reason.This is my basic setup:1) Windows 2008 R2 Host Server 2)...
View ArticleHow to create two LAN with one network adapter in MS Server 2008 R2
Dear all,I just created MS Server 2008 R2, and I have some components for build it as below.-Server IP 172.16.x.x, -GW 172.16.x.x, -One Router(Microtik), -One Switch, -One network adapter-One modem...
View ArticleEnterprise DNS servers are not responding when using Windows NLB with Direct...
HiWe have installed Direct Access 2012 as one server installation: - Two network cards. First one in DMZ and second one in internal network - Two consecutive IP addresses configured in DMZ because of...
View ArticleSetting Forward Lookup Zones in DNS based on the port queried
I have the following problem.We are using Dynamic DNS to access our site and the modem/router differentiates via port forwarding what server the query goes to based on the port number ie all request go...
View ArticleDhcpGetClientInfo failes with error code 20013
Hi,I am developing an application which would search given MAC id in dhcp database and return its ip assignment information. I am using DhcpGetClientInfo() api but it fails with error code 20013. I am...
View ArticleWindows XP / Automatically Pings DNS Servers?!?
Hi,We are seeing a number of hosts on a regular basis that "ping" their DNS server. These are users who are not even aware how to use ping, and from what I can tell Windows XP is pinging on its own....
View ArticleCannot restore a dhcp netsh database dump onto 2008 R2 Domain Controllers
We are running DHCP servers on several of our 2008 R2 DCs in different sites. I have been able to back up those servers using the netsh dhcp server dump command. I am not able to import that dhcp...
View ArticleDNS/NSLookup Resolving to Wrong IP
On Tuesday I registered a new domain name at NameCheap.com and on the same day I changed the NameServer settings at NameCheap to point to my webhost. Already that same day DNS was resolving to the...
View ArticleDHCP scope deactivates spontaniously
L.S.I've got 2 2012 DHCP servers configured as load-balance-failover. These two servers serve about 30 different VLAN's (though IP-Helper addresses in our routers).On one of these servers, one scope...
View ArticleUse internal DNS to point at a URL on a WAN
We have to use our internal DNS servers to point at an external URL. This URL is not the same as our internal domain e.ghttp://some.other.domain.com to 46.254.XXX.XXXOf course this can be done...
View ArticleDNS Delegation vs Secondary Zones
Hi There,Can any one please explain me what is the difference between the Secondary Zones / Stub Zone with DNS Deleagations.As per my understanding we use DNS delegation to provide single point of...
View ArticleNed Help DHCP DNS Registration incrase Time
Hi, we have the following Scenario: 2 DC in the same Site Both DCs are DHCP Server Both DCs are in the DNSUpdateProxy Group On Both DHCP Server we use Credential Delegeation for dynamic update...
View ArticleUnable to ping DNS name of new server
Hi,I had SharePoint running on a Windows 2003 Server but due to an upgrade had to deploy it to a new Windows 2008 Server. The old server is called ACHSP. I thought the simplest thing would be to setup...
View ArticleCan not jon to domain in another subnet
I want to join to a domain in another subnet,I can ping dc server by IP but dc can not pin client but when I use NLTEST command,it works well and I can successfuly get queries from server.I use...
View ArticleDHCP Option 78
How can I add SLP DHCP option 78 in a windows 2008 R2 dhcp server? Thanks
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