-1
votes
2answers
58 views

Windows domain + Linux Domain on One Network

Currently our network is all tied to Active Directory with both Windows and Linux workstations/servers. We would like to implement a Free IPA server that synchronizes authentication between a Linux ...
-1
votes
0answers
16 views

Having a different domain and DNS for VMs in a XenServer

We have an internal network which has DHCP and DNS machines (and using windows server AD). Then we have also a Xen Server in our internal network. The LAN uses domain example.local. The host in Xen ...
0
votes
0answers
42 views

DHCP Name Protection and Dynamic DNS

Will DHCP Name Protection prevent a dynamic DNS update every time the FQDN is found to already be present in the DNS zone? Example: Windows Server DHCP/DNS Two dhcp scopes: Wired vlan 10 scope ...
0
votes
1answer
77 views

Can't Access Network Drives through VPN

My issue is that when I'm outside the office I can't access any of my network drives. I can't UNC to them, through the FQDN or IP address. For example, domain.local\folder, or 172.26.6.2\d$. ...
1
vote
0answers
62 views

Force Windows DHCP to Update DNS for All Current Leases

Is there are way to force Windows 2008R2 DHCP Server to update all DNS entries for all current leases? (Guess the server-side equivalent of ipconfig /registerdns) We had a configuration issue with ...
0
votes
0answers
32 views

DNS options on Cisco switch providing DHCP

At the company work for we decided to move DHCP duties from a Windows server to our 3750-X switch stack that's the gateway for our network. I researched the commands needed and cobbled together the ...
0
votes
2answers
203 views

Cannot ping a VM from a Hyper-V host

I am facing a weird situation in my network environment. My infrastructure looks like this: I have a D-LINK DIR-635 acting as my default gateway (192.168.0.1) A physical Windows 2012 Server ...
1
vote
0answers
63 views

Cleanup DHCPD leases as well as DDNS Entries

I have a fairly simple set up on a Debian server I'm running. I currently have isc-dhcp-server installed along with bind9. I set up my zone and my reverse lookup zones and set up dynamic updates, it's ...
0
votes
0answers
168 views

Windows 7 Pro - DNS Servers changed on DHCP-enabled workstations over weekend, not sure how

This morning I came in to our SOHO office (>5 users) to reports of the internet not working. I tried all the usual simple fixes like cycling switches (each user has a switch at their desk) then I ...
0
votes
0answers
775 views

Samba4 Internal DNS with DHCP Server

On FreeBSD we run Samba4 as a DC and until recently had our IP addresses handed out by the routers DHCP server. We switched to running a DHCP server on the FreeBSD machine with the following ...
0
votes
0answers
78 views

Clients do not see DHCP Server… what am I missing?

Old router died and just got the new one in and I can't figure out what I'm missing to forward dhcp and dns to windows server 2012. Old router was a netgear R6300, new one is an N900. Before the ...
0
votes
3answers
359 views

Superscope DHCP leases and configuration set up

Hello I wanted to see if someone could help with a network problem I am having. Right now we have a super-scope and scopes of 192.168.50.1 and 192.168.51.1, as of now both are activated but only ...
2
votes
1answer
242 views

How to statically configure DNS servers on a Cisco router when the WAN interface uses DHCP?

I have a Cisco router (model 887VA, IOS 15.4) used to connect a LAN to the Internet via ADSL. The WAN interface uses DHCP: interface ATM0.1 point-to-point ip address dhcp I need the router to use ...
1
vote
1answer
55 views

Is there a way to use Bind9 $GENERATE directive for rDNS of ranges bigger than /24?

The $GENERATE directive of bind9 makes it possible to autogenerate the reverse mapping for a range of IPs what is really helpfull for reverse dns of a dhcp range. But it seems that the $GENERATE ...
2
votes
0answers
334 views

Windows DNS clients can't update PTR records, but can update A records (not ACLs)

I have clients configured via GPO with the following settings enabled: Dynamic Update Primary DNS Suffix Register DNS records with connection-specific DNS suffix Register PTR Records: Register I ...
1
vote
2answers
60 views

Dns: two pointer (PTR) with same IP resolve to different hosts

I have a Windows 2003 domain. DNS server and DHCP server run on domain controllers. Most workstations have DHCP enabled. Sometimes I have weird network problems and when I diagnose them I can find ...
0
votes
1answer
667 views

Windows Server DNS with non-Windows (Linux, Mac) Computers [duplicate]

How do I get my non-Windows (Linux, Mac) computers to properly register their IP address into my DNS server? Server Name: AD1 OS: Windows Server 2008 R2 Roles: DNS, AD, DHCP DNS SETTINGS Dynamic ...
0
votes
0answers
11 views

IBMi DHCP Dynamic DNS not communicating to DNS Server

I have a single IBMi server set up with a DHCP and DNS server running on it. I have set up the DNS forward and reverse zones for the local network to allow for dynamic updates, and I have set the ...
1
vote
0answers
50 views

DNS Registration Using Non Windows DHCP

We are searching for a solution for our VPN users. We use a Fortinet SSLVPN. The Fortinet appliance issues DHCP to our clients. It is configured to have the clients use our internal Windows DNS ...
0
votes
0answers
81 views

Edge firewall on Ubuntu, dynamic IP address, static DNS

We're setting up a software firewall, and one of the issues we're facing is that eth0 has a dynamic IP address. In /etc/network/interfaces we've got the following: # The loopback network interface ...
1
vote
0answers
31 views

Windows Dynamic DNS Update Sequence

I'm trying to get the Windows DDNS update sequence straight in my head. Here's what I think happens: Windows Client == DHCP Discover Windows DHCP Server == DHCP Offer Windows ...
0
votes
1answer
98 views

How can I configure dhcpd to only update the reverse zone in bind?

I've got dhcpd pushing updates to bind, and it seems to be working fine: named[24161]: client 192.168.10.1#59141: signer "dhcp_updater" approved named[24161]: client 192.168.10.1#59141: updating zone ...
0
votes
0answers
146 views

theforeman 1.4: foreman-proxied external dns/dhcp server puts provisioned domainname twice in dns server

I have a strange problem with our foreman. we use .localdomain as our internal domainname (eg. a host gets the fqdn test.localdomain) we use the standard dhcpd and named from CentOS6, both on the ...
0
votes
0answers
149 views

No A records created by DNS client on Windows Embedded Standard 2009

Windows Embedded Standard 2009 is basically Windows XP. I have thin clients running this OS which get configured through DHCP. I haven't been able to make them register an A record with the DNS server ...
-3
votes
1answer
217 views

Building a Windows Server 2008 R2 (DNS, DHCP, AD, etc…) [closed]

I'm looking forward to build my own Windows Server 2008 R2 machine for a company that is in the process of establishment. I have some questions regarding the Windows Server. I'm pretty new to it .. I ...
0
votes
1answer
51 views

Is there a Linux DHCP server that supports assigning different DNS servers to a given host?

Is there a DHCP server that runs on Linux which will allow me to configure what DNS servers get assigned to which host? E.g. If I have 192.168.0.10 and 192.168.0.20 on my network, I'd like to make it ...
1
vote
0answers
356 views

DNS A records disappear, but PTR records still remain

We've been having issues with DNS records dropping. Usually it is from DHCP reservations, like printers. Yesterday it was two of our main servers, also DHCP-reserved. Right now I'm looking at a ...
0
votes
0answers
388 views

CentOS DHCP server not updating DNS nameserver on Ubuntu Client

I have a working DHCP server on CentOS, with /etc/dhcp/dhcpd.conf set up as follows: subnet 192.168.1.0 netmask 255.255.255.0 { option routers 192.168.1.1; option subnet-mask 255.255.255.0; ...
0
votes
2answers
132 views

client's not receveing internet with dhcp. does if i use static

i reloaded my ad, dhcp, dns server 3 day's ago. server 2008 enterprise. and we are having a problem. only the server issue's the ip. all files share's, ad, etc works. can ping and remote desktop ...
1
vote
1answer
316 views

Push hostnames to a DNS server without DHCP

Considering the complete lack of luck I've had googling any terms related to this question, this may not even be possible, but: Is there a reasonably standard way to set a hostname on a machine, and ...
2
votes
1answer
31 views

Setting up DNS for Remote Access

I have Windows 2012 with the DNS/DHCP features installed. Do I need to install Active Directory and then add all my machines to the domain of local.FQDN.com for example? I can do this and still use ...
-3
votes
3answers
249 views

How to get machines to use a DNS without a fixed IP, which does not appear in the DHCP lease? [closed]

I have some machines on a network. This network has a DHCP server - which I have no control over, and no DNS server, i.e. the DHCP lease refer you to some ISP's server and do not serve IPs for local ...
1
vote
3answers
260 views

Windows 2008 Domain - DHCP on Server vs Firewall

I currently administer a Windows 2008 domain network with DHCP running on the DC. Clients obtain addresses dynamically and servers are assigned static addresses. In the case that the DC fails ...
0
votes
0answers
28 views

Hosted 2008 SBS, DNS over Site to Site VPN Issues

Been having a little bit of a headache recently with DNS over site to site VPN. We have a SBS within a hosted environment and an RDS. The SBS is of course hosting DNS for the internal domain. The ...
1
vote
0answers
54 views

Multiple DNS mappings for a host via DDNS

I have a network in which DNS is automatically updated with a record for hosts when they get an address via DHCP (isc-dhcp-server & Bind configured with DDNS updates). The DHCP server is ...
2
votes
2answers
1k views

Inconsistent dynamic DNS update behavior

After having upgraded a Windows Server 2003 Active Directory Domain to Server 2008, and upgraded client PCs from Windows XP to Windows 7, I'm seeing inconsistent dynamic DNS update behaviour. Two ...
-1
votes
2answers
419 views

Domain Computers cannot access internet [closed]

I have my own domain that i created not so long ago and i'm just now setting it up. I've been having some problems even from the past on my practice domains. None of the domain or any computers that ...
2
votes
1answer
197 views

What would cause the hostname FQDN to repeat the suffix twice?

I have three new CentOS 6 servers that connect to a DHCP server to get an IP and to have DNS/rDNS setup to bind their FQDN and IP. Two of them are behaving as expected. One of them is appending the ...
1
vote
0answers
558 views

How to config libvirt network setting about disabling dnsmasq “except-interface=lo”?

Here is the thing. My VMs run with libvirt and use default network libvirt-provide, and I've mad each VM registers its hostname to dnsmasq set by libvirt. so I want to look up its hostname for ...
0
votes
1answer
43 views

Peer domain not authenticating users

I have a forest with two DCs, one of which was added as a peer to the original DC. One DC is running Windows Server 2008 and the other is running Windows Server 2008 R2. I can see on both servers ...
0
votes
2answers
36 views

DNS reverting in Windows Server 2003

I have a Windows Server 2003. It is connected to a number of networked databases but stopped working this morning. It was receiving DNS from an old DC which we have just retired. I tried to change the ...
0
votes
0answers
114 views

How does DNS update work in an environment where DHCP performs registration, and clients may have multiple DHCP leases?

Here are the particulars (all Windows): DNS - Our DNS only stores one A-Record per hostname. Scavenging is not currently enabled. DHCP - DHCP is configured (server level) to perform DNS registration ...
1
vote
1answer
154 views

Why use FQDN as DNS-server option in DHCP?

I've seen multiple default configurations of DHCP-servers with a FQDN set as the DNS-server option. Doesn't this imply a catch-22, or the need for that DNS-server to be in the hosts file of every ...
0
votes
0answers
310 views

name not resolve in vmware client PC

I have configured DNS server and DHCP sever on centos 6.2 vmware virtual machine. I have a windows xp vmware client machine. nslookup command is work in server terminal But it won't work in windows ...
6
votes
1answer
720 views

Per-client DNS servers with DNSMasq

I am running TomatoUSB with DNSMasq to provide DHCP and DNS services for my local network. What I would like to achieve is to provide alternative DNS servers for one or two specific clients on the ...
2
votes
2answers
890 views

Client DHCP on Linux seems to not be updating Windows AD DNS

I have an odd DNS issue that only sometimes presents itself. I have several Linux machines, running Ubuntu (10.10, 11.10, 12.04). Most of the time they work flawlessly. Sometimes, however, the ...
1
vote
4answers
7k views

In a Win7 computer that belongs to a domain, how do I append DNS search list entries?

My desktop is part of the company domain and receives its IP address and DNS search list via DHCP. That's fine, of course. Is there a way that I can append additional entries to the end of the DNS ...
0
votes
1answer
429 views

How do I access the internet without setting all clients to static IP's? Server 2012

I have a small business network using a server that runs Windows Server 2012. It is currently configured with the following roles: ADDS, HDCP, and DNS. The hierarchy is simple: A gateway/firewall, ...
0
votes
1answer
937 views

Adding static DNS entries on a dynamic BIND setup

I've got a DNS (BIND9) and DHCP (ISC-DHCP-SERVER) setup in which the DHCP server dynamically updates the DNS when hosts grab an IP address. I'm currently resubnetting a portion of my network that's ...
0
votes
0answers
805 views

Windows DHCP client and DNS suffix search list (option 119)

I'm trying to supply the dns search list to my windows clients to make the internal DNS naming scheme usable. Windows AD is not used so no GPO available. The ideal way would be to supply the dns ...