2
votes
1answer
44 views

DHCP Warning Sign Icon On Windows Server

I have a Windows Server 2008 R2 SP1 Domain Controller. I have the roles AD, DHCP, and DNS installed on this server. I noticed today that there was a warning sign on my IPv4 setting, but not on my IPv6 ...
0
votes
1answer
29 views

DHCP Reservation being ignored in Windows 2008 R2

I have multiple scopes on my dhcp server. 192.168.10.x and 192.168.20.x I have reservations for certain mac addresses on the 192.168.10.x network. However occasionally they will pull 192.168.20.x ...
0
votes
0answers
24 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
44 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 ...
1
vote
1answer
204 views

Very long 'Unique ID' in Windows 2008 DHCP Server Leases - why? What is the device?

I notice on one Windows 2008 R2 DHCP server the device with the first IP in the range has a strange looking Unique ID of the format ...
3
votes
1answer
94 views

Windows 2008 R2 DHCP - client renewing too frequently

We are running a Windows 2008 R2 DHCP server. We just added a new DHCP server and removed the old one about three weeks ago. I have an employee who is reporting IP conflict errors every day now for ...
4
votes
2answers
102 views

Set specific DHCP options on a static IP address connection

Our network has some not-commonly used DHCP options on it, including some vendor-specific options (e.g. option 002 for Time Offset set to 0x9AB0). I have one particular computer that for whatever ...
13
votes
4answers
786 views

Windows DHCP Server - get notification when a non-AD joined device gets an IP address

SCENARIO To simplify this down to it's easiest example: I have a Windows 2008 R2 standard DC with the DHCP server role. It hands out IPs via various IPv4 scopes, no problem there. WHAT I'D LIKE I ...
-2
votes
1answer
35 views

AD Server Connection Probem

Ok so i have a Linux server handling the DHCP, and FTP server i have and Network Shares. Then i have a Server (Windows R2) with just the AD. None of the client computers can connect to the Domain. The ...
0
votes
1answer
40 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
1answer
124 views

How to configure a Windows Server 2008 along with a router?

I have network setup like the following diagram, how do I set the DHCP in server so that user can access Windows share and also access internet? [server]<========> ...
6
votes
1answer
107 views

DHCP Server only remembering one lease

I have a Server 2008 R2 DHCP Failover Cluster that serves two VLANs - an office network and a guest WiFi network. Both of the members of the failover cluster are virtual machines (ESXi) and use the ...
1
vote
0answers
98 views

How do I configure stateful DHCPv6 in Windows Server to allow clients to ping each other?

How do I configure stateful DHCPv6 in Windows Server to allow clients to ping each other? I would like to configure my Windows 2k8 DHCP server to distribute IPv6 addresses in my office network that ...
0
votes
1answer
141 views

Configuring RRAS with WS2K8R2 VPC

I have configured a Server 2008 R2 instance in a VPC with 2 subnets. The server is configured as a DC, RRAS and CA and a NIC in each VPC subnet. SSTP VPN clients can reach the server but either the ...
2
votes
2answers
214 views

How to configure DHCP to assign devices to subnets?

I have Windows 2008 R2. There are three classes of devices on our network- IP phones, Handheld (WM5 & 6) devices, and everything else (Computer, printers, servers). I use 2 Cisco Catalyst switches ...
0
votes
0answers
12 views

w2k8 r2 single ip dhcp reservation for wireless and wired interfaces [duplicate]

Possible Duplicate: Reserve a single ip for a wired and wireless NIC of the same machine I am a bit new to Windows Servers, I'm coming from BSD world. I have a lot of laptop users at my ...
1
vote
1answer
89 views

DNS, DHCP, FILESERVER transition from W2003 to W2008R2 DC's

We have a stable Windows 2003 Standard network. W2003 DC1 on x.x.x.10 - DC, DNS, DHCP, FILESERVER We are upgrading the network, and have a second server Windows 2008 R2 ready for insertion. ...
0
votes
1answer
289 views

Win 2008 R2 Duplicate DHCP Hostnames Leases. Same workstation gets 2 leases

I have a Windows server 2008 r2 DHCP server that seems to be creating duplicate DHCP Leases. For example If i have a workstation named Workstation1 It will create two dhcp leases with two different ...
2
votes
1answer
1k views

DHCP for Multiple Subnets

So this is the current setup - essentially I would like to get my DHCP server, serving DHCP requests for two seperate subnets. Netgear DG834G acting as a modem connected to a Sonicwall Pro 2040. X0 ...
0
votes
1answer
527 views

Transferring DHCP using Windows Server Migration Tool - Why is Powershell is crashing on the import of the .mig file?

I am migrating DHCP from a windows server 2003R2 DC to a Windows Server 2008R2 DC I've followed this video and its predecessor (Installing Windows Server Migration Tools) ...
2
votes
0answers
217 views

WBAdmin SystemState Problems

I recently installed DHCP on my 2008R2 Server and now Backup Exec and WBAdmin/WSB is having System State issues. Essentially, after some research, I came across a handy tool called VSHADOW which has ...
0
votes
1answer
412 views

IPv6 6to4 on Windows Server

I'm looking for a relatively simple guide to setting up an IPv6 tunnel properly. This network currently has a server (Windows Server 2008R2) running RRAS that establishes connectivity to the internet ...
1
vote
1answer
11k views

Event ID 4013: “The DNS server is waiting for Active Directory Domain Services (AD DS) to signal…"

We have an issue that only occurs after we rebooting our secondary DC and DNS server/DHCP server. It is a 2008r2 x64 server, DC and DNS/DHCP server. Our main DC is 2003. Event ID 4013: “The ...
1
vote
0answers
568 views

RRAS with DHCP when the IP pool is on a different subnet

I run a small business network and the last couple of days I have been setting up some equipment to add VPN capabilities to our network. I've got the following set up: Windows 2008 R2 with RRAS - ...
1
vote
1answer
253 views

Hyper-V Test Bed for Forefront TMG 2010 Networking Issues

I am trying to set up a Server 2008 R2 test bed for a Forefront TMG 2010 deployment and I can't seem to get the networking configured correctly. The set up is as follows: Hyper-V Host has two NICs, ...
0
votes
1answer
2k views

w2008R2 DHCP serving leases, but not showing in DHCP console

We upgraded our AD and DHCP to 2008 R2. I used netsh to dump the dhcp database from the old Windows 2003 R2 server and then imported in the new server. What I am finding is that not all of the ...
4
votes
1answer
3k views

DNS Record Timestamps Are Not Updating on Server 2008 R2 DNS Server

I have 2 Server 2008 R2 domain controllers with a AD integrated DNS zone for the domain. Previously, scavenging was not enabled. I enabled scavenging a week ago and now that I am seeing old stale ...
1
vote
0answers
173 views

Can multiple VLANs be provided with multicast addresses by a single MADCAP server?

Can a single DHCP server provide dynamic multicast addresses for hosts in many VLANs using MADCAP, just like it can provide hosts with unicast addresses via ip-helper? Or from a Cisco perspective, ...
0
votes
1answer
1k views

Event ID 10020 on my DHCP Server

Every time I restart my server (Windows Server 2008 R2 Enterprise) the following DCHP events appear with the ID 10020 in my event log. I have a static IPv6 address but this event is still being ...
3
votes
3answers
1k views

Stop DHCP client from receiving old IP address on new VLAN

I have one DHCP server running Windows Server 2008 R2. It is configured with one Superscope which contains 5 member scopes. One scope for each one of my subnets. Here is the problem, if I am on VLAN ...
3
votes
1answer
2k views

Can a DHCP reservation use an IP address in the exclusion range?

Windows Server 2008 R2, running the DHCP service. DHCP Scope: 192.168.1.1 - 192.168.1.254 Exclusions: 192.168.1.1 - 192.168.1.99 If a reservation uses an IP address in the exclusion range (like ...
1
vote
0answers
238 views

Windows Server 2008 DHCP with RRAS

I have a Windows Server 2008 R2 which is a member of a domain, but is placed in a remote location. The server is directly connected to Internet. Clients need to access a particular insecure TCP ...
6
votes
1answer
1k views

DHCP in Windows Server 2008R2 don't show leases, from a 2003 i can see them

I inherited a network where the Domain controllers where recently upgraded from 2003 to 2008R2. After the upgrade the DHCP MMC don't show the leases in several of the scopes, only showing a message ...
2
votes
2answers
2k views

New set up DHCP Server on Server 2008 R2 won't work, Event-ID 1046

I just set up a 2008 R2 as DC, and DNS. Both worked fine, DNS works fine forward and reverse lookup. Now I wanted to install DHCP. As soon as the installation of the role is finished, I get this ...
0
votes
3answers
3k views

DHCP: How can I forward DNS requests to an internet DNS server but serve local DNS requests from a local DNS server?

I have a small network of computers which mostly access stuff online. I have a domain controller running on that network, which is also serving as the DHCP and DNS server. I have configured DHCP ...
2
votes
1answer
755 views

Microsoft DHCP Known and Unknown Clients

With ISC DHCPd under Linux, I can define separate pools for "known" and "unknown" clients, like this: subnet 10.0.0.0 netmask 255.255.255.0 { option routers 10.0.0.254; # Unknown clients get this ...
2
votes
0answers
680 views

Windows 7 Client gets incorrect IPv6 Prefix Length

I am currently setting up IPv6 and DHCPv6 for Server 2008 R2 on my private network for testing. I was able to get DHCPv6 to work by configuring a static, then setting up the scope. I was also able to ...
1
vote
1answer
754 views

RRAS VPN server on 2008R2 — two subnets, how do I use DHCP?

This should be a relatively straightforward RRAS VPN setup, but I'm not getting the behavior I want. I have two subnets, a Prod Server subnet and a Client subnet. Both are publicly routable. I have ...
0
votes
1answer
371 views

What naming convention do Windows DHCP logs use when they overflow?

We have some issues with DNS and DHCP interacting, so we're archiving the DHCP event logs using PowerShell and dumping the contents to an SQL database for later analysis. However, the archive script ...
4
votes
1answer
656 views

Assign DHCP IPs for specific MAC prefixes on Windows Server 2008 R2

I'm running Windows Server 2008 R2 for my DHCP server. We are about to switch over to a VoIP system and Cisco VoIP phones. I would like to assign a specific range of IPs to these phones which will ...
0
votes
1answer
591 views

Workstations' records not updating in DNS

I have a firewall appliance that uses DNS records of PCs and user authentication from LDAP. (Windows environment). The PCs in the environment are displaying old DNS records and not updating. This in ...
2
votes
3answers
938 views

Inconsistent DHCP replies with Windows 2008R2 DHCP server

I've got a Windows 2008R2 standard server running DHCP services. We've noticed that certain clients are receiving inconsistent DHCP replies. We have over 175 Windows workstations in this VLAN that ...
0
votes
1answer
1k views

WDS 2008 R2 DHCP Error

Im having a problem where I get the error 'An error occurred while obtaining an IP address from the DHCP server. Please check to ensure that there is an operational DHCP server on this network ...
0
votes
1answer
600 views

How to get windows 2008server r2 DHCP to hand out an IP to a PXE-booting client

I really need some help here, Im trying to get a client to PXE-boot using WDS from a 2008 server R2. I've set up a DHCP scope from 10.0.0.11 - 10.0.0.20 255.255.255.0 The server is handing out IPs ...
0
votes
3answers
2k views

2 Network Cards, External & Internal. DHCP and DNS Setup

I have setup a server at work and I want to use 2 network cards to have a local and external (internet) interface. I have set it up as follows: This server will be used for Windows Deployment ...
0
votes
1answer
144 views

How do I migrate settings from a Win2k Server to Windows Server 2008 R2?

I am about to upgrade our current Win2k server to a new server running Windows Server 2008 R2. Right now, our current server acts as our DHCP server, DC, and controls ActiveDirectory, amongst other ...
1
vote
2answers
2k views

DNS doesn't match DHCP correctly

I'm a programmer who is tasked with handling server support until we can hire a new sysadmin, so bear with me. I'm having a problem, where the DNS records for computer names don't resolve to the ...
0
votes
1answer
1k views

Use DHCP to set Failover Cluster IP Address

I have a Hyper-V Failover Cluster running using manually-configured IP addresses. On this cluster, among other machines, I have two Server 2008 R2 Enterprise Machines running failover cluster, ...
2
votes
1answer
352 views

Windows 2008 R2 DHCP Question

I could use some guidance on migrating our Windows 2003 DHCP services to Windows 2008 R2. We have two buildings: BuildingA contains client ranges x.x.192.x and x.x.193.x, router is x.x.192.1 ...
1
vote
2answers
741 views

Can I authorize W2K8 DHCP server for private network, even when prohibited in enterprise network?

I have a domain-joined test machine running W2K8 R2 with two NICs, one connected to the enterprise network, the other one to a private network with a static IP (192.168.0.1). The machine should act as ...