2008R2 DHCP MP

I have the older DHCP MP for 2008R2 version 6.0.6709.0 and the main DHCP server library version 6.0.7063.0 with the 2012 and 2012 R2 also the same version. I don't see any data populating the server health or scope health views and none of the servers show
up as DHCP server. The discovery is active and enabled by default and yet the servers don't show.The servers are providing all the data for other MPs without issue and the permissions are all accurate. I'm stumped at this point.
I tried someone's suggestion of writing an override to the discovery (which is already set to True) to set to true again, but I still see no data.

Hi,
Microsoft Windows Server DHCP 2012 MP Version 6.0.7063 - discovery works only for DHCP 2012 (Microsoft Windows Server DHCP and Microsoft Windows Server DHCP 2012 objects).
Microsoft Windows Server DHCP 2008R2 MP Version 6.0.6709 - discovery works for all DHCP servers (Microsoft. Windows.2008R2.DHCP.Server.Role object)
If you have only 2008R2 DHCP servers, downgrade your DHCP MP to version 6.0.6709. For the mix environment it's possible to use both MPs version 6.0.6709 and 6.0.7063, but to override the Microsoft.Windows.2008R2.DCHP.Server.Discovery for DHCP 2012 servers.
Regards,
Yan Li
Regards, Yan Li

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2012r2 dhcp and dos

I've been moving DHCP off our 2008r2 domain controllers to 2012r2 member servers and discovered that in our locations still running dos that those clients are not getting and ip address, any ideas?

yes it is authorized, (works for everything but some DOS clients)
No filtering
Logs say DHCP is functioning normally
no changes to subnets
Update - the location in question is the only location still using WINS. When I disable WINS I get no DOS leases, either on the new 2012R2 DHCP server OR the old 2008r2 DHCP server.
So I installed WINS on the 2012R2 DHCP server with some success however when I try to partner WINS 2012R2 see the 2008R2 server but 2008R2 says can't find network path. So until I can get replication I don't think I'll be 100%.
I have tried turning off both firewalls but that didn't change anything.
Any suggestions?
update - I was able to manually replicate the WINS servers, we'll see what happens now.
I wondering if these dos clients are setup with netbui and not tcpip. Checking into dos config disk.

SMTP Mail configuration in WDS server

Hi,
My company has more than 9000 desktops in which normally on day basis more than 100-150 systems will go deployment via WDS (MDT 2013) in server 2008r2 (DHCP is also configured in the same server), Where as i need to configure a SMTP mail server which will
export the lease expiration(currently reduced from 24hrs to 8hrs of lease period) data with hostnames & IP details and send it to my mail id.
I am very least experienced in this domain, Kindly suggest the ideas to implement the same.
Why required ?
To monitor the number the images being deployed on a given day.
No systems should reflect more than 1 day in the imaging vlan.
Manual efforts and incidents can be reduced if implemented.
Thanks,
Satheeshkumar C

Hi Satheeshkumar C,
As far as I know there don’t have the original option can achieve your propose, when the DHCP lease expiration, may you can choose third party application, and this forum is
mainly for WDS related issue it’s not the best place to talk about the MDT issue, there have a specific MDT support forum you can post in MDT support forum and get the MDT expert further support.
MDT support
forum:
https://social.technet.microsoft.com/Forums/en-US/home?forum=mdt
SMTP E-mail
https://technet.microsoft.com/en-us/library/hh831469.aspx
I’m glad to be of help to you!
Please remember to mark the replies as answers if they help and unmark them if they provide no help. If you have feedback for TechNet Support, contact [email protected]

UDP broadcast over multinetted VLAN

We're having an issue with UDP broadcast over a VLAN that has three IP's configured on it. This is on a Cat 6509.
interface Vlan11
description ZZZZ
ip address 10.10.249.1 255.255.255.0 secondary
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no ip redirects
ip pim sparse-mode
The device broadcasting is 192.168.101.34.
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ip forward-protocol udp 4444
And we've tried interface commands like:
ip helper-address 192.168.101.34
and
ip directed broadcast
Nothing seems to help, though. Are there any inherit limitations due to the multinet? Devices on the 192.168.101.0/24 subnet receive the broadcast fine. Devices on the other two subnets do not. Basic routing between all subnets is fine.
Thanks,
Joe

Hi John,
If you're running 2008R2 DHCP, you can fix the DHCP issue that you're having by configuring a DHCP super scope on the DHCP server. We ran into that problem too and managed to get DHCP working on all three subnets. I know it works on 2008R2 but not sure on other versions.
We're mandated to get off the 192.168.101.0 subnet; so, if we can't get it working this way we may need to do a complete cutover including re-IP-ing all devices involved in this dilemma. It's more complicated than I'm stating as this is basically a troubleshooting step to see why it broke. There's an application server involved, an audio streaming server, and some Barix devices. We're attempting to get all the workstations cutover first when we ran into this issue.
Thank you,
Joe

Request timed out ping

Still no need to separate them. Have two nics in the WDS server and have a build network.

Hi
i have 2 different subnets, i have 2 because im trying to setup a lab away from main network and other users.
i can successfully remote connect, my MAIN PROBLEM is i cannot ping from server 2008r2 to belkin router, nor can i ping from the first subnet 192.168.0.2 to 192.168.1.5
the second subnet is my lab, they r physical servers/pc/router
main network includes which is the first subnet
virgin router=192.168.0.1-dhcp-dns
with 2 computers connecting
the second subnet below
has a belkin router=192.168.1.4
with server 2008r2-dhcp-dns-wds
server 2012r2
win7 pro
This topic first appeared in the Spiceworks Community

DHCP - From 1 Domain (2008r2) to another Domain (2012r2)

Hello Everyone.
For the sake of convenience and management simplification, my company is moving from 3 WinServer 2008r2 domains to a forest situation which will be 2012. I would like to be able to copy the ADUC information from DC1.2008.old to DC1.2012.new as much
as possible. I would like to find some assistance with copying DNS, DHCP, and ADUC (where possible). Most places I have looked deal with a migration from 2008 to 2012 in the same domain. This is different because the domains are different.
Does anyone have a suggestion?
Thanks for the help.
BJC

Hi,
No tool needed. In case the DHCP server holds different other roles (like file server,etc) you can migrate this like any other computer using the ADMT. If it is just a dhcp server you can either export DB , then migrate the server re-authorize and import
configuration or you can just create a new server inside destination forest install DHCP role configure scopes and make it available for the clients and decommission old one.
Just remember that if you are using Dynamic DNS registration for the windows computers in the AD-integrated zones, you might face issues with DNS resolution once computers are migrated because they start registering in the target domain DNS zone.
Below are some other helpful posts:
http://social.technet.microsoft.com/Forums/windowsserver/en-US/5b9b3ad9-34d6-4ebf-8628-ba0aa19b42df/migration-of-dhcp-server-from-one-ad-forest-to-another?forum=winserverDS
http://social.technet.microsoft.com/Forums/windowsserver/en-US/26defd52-d9a6-4d9f-be6d-de9dc29ab100/dhcp-server-handling-for-cross-forest-migration-ad-2003-to-ad-2008-r2?forum=winserverMigration
http://blogs.technet.com/b/networking/archive/2008/06/27/steps-to-move-a-dhcp-database-from-a-windows-server-2003-or-2008-to-another-windows-server-2008-machine.aspx
Hope it helps.
Regards,
Calin

DNS / DHCP Issues in Server 2008R2 Domain

Hi folks,
We’ve been having an ongoing issue for a while now in that some PCs and laptops (Win 7) in our company can’t be contacted by hostname i.e. if we try and RDP from one Windows 7 PC to another the RDP session fails as if the PC isn’t turned on, but it
is indeed turned on and connected to the network.
Even if we ping the host name of a particular computer that is on it fails to reply but if I go into DHCP I can find the hostname bit it has a different IP address assigned to it other than what is listed in DNS for that host name.
So for some reason when some computers get switched on and be allocated a new dynamic IP address through DHCP the corresponding record in DNS doesn’t seem to get updated meaning we need to go into DNS and manually amend the Host A record with the new
IP address that it has been given so we can RDP onto that computer using the hostname.
At present aging and scavenging isn’t enabled in our environment as we are afraid to in case it removes live DNS entries that just haven’t been turned on in a wee while. Does aging and scavenging just ignore static DNS entires and does aging and
scavenging work in DHCP as well?
One other thing I noticed is that if I delete an incorrect DNS Host A record and create it manually and assign the hostname and the correct IP address it says static rather than having a timestamp on it. When I create the new record I always click on our
domain in the Forward Lookup Zone and on creation I always select Create the associated pointer (PTR) record so not sure why the manual record doesn’t get a time stand.
So any help/advice or suggestions would be greatly appreciated.
Thanks,
Bonemister

Hi David,
Thanks for your reply and for clarifying those things for me. Unfortunately in my workplace when I add a manual DNS Host A record it does become a static entry and doesn't have the '0'
you mention, do you have any idea why that would be as I'm worried about it affecting things if I were to enable aging and scavenging.
Is it possible to just enable aging and have it remove entries before a time of my choosing or does scavenging need to be enabled also?
I still can't understand why the relationship between DHCP and DNS isn't working correctly. Sure if DNS has an A record for a computer and the IP address changes via DHCP there is bound to be
a way to setup DNS to be able to update the records it holds - do you know if my reading of this is correct.
By the way, I can confirm that my adapters TCP/IP DNS settings are the same on of the PCs that had the DNS fault as in your screenshot the only different is we have the tick in Append parent suffixes... - would that make a difference.
Thanks also for that other link, it seems very interesting and I'll have a good read through it carefully before doing anything!!
Thanks again for you reply and I look forward to seeing any responses.
Regards,
Bonemister

Procedure to remove DHCP service off a Windows 2008R2 Cluster.

I cannot seem to find a procedure to remove DHCP off the Windows 2008 R2 Cluster.
I am not sure which comes first Delete the DHCP cluster service or uninstalling the role.
Thank you.

Hi,
Based on my exprience, it would be better to removal of the DHCP failover relationship firstly. Because if you remove the DHCP server role firstly, then you cannot communicate with the partner server. In addition, deleting a failover relationship that has
DHCP scopes associated with it will remove those scopes from the partner DHCP server, and the scopes will remain on the DHCP server where the failover relationship was deleted. So you can do that on the DHCP server that you want to keep. For detailed
information, please refer to the article below:
https://technet.microsoft.com/en-au/library/dn338986.aspx#delete
Then after you renew leases on the clients and make sure that only one server is responding to DHCP requests. After that, you can uninstall the role.
Best regards,
Susie
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Router DHCP and Server 2008R2 DNS

Hello all,
Netgear Genie WND4300 as DHCP Router/Server
Server 2008 R2 as DNS server (AD DS)
Q: How can I get the DNS server to update automatically from the DHPC router?
And no, I can't move the DHCP role from the router to the server. (Which is probably the best solution but.....)
Thanks in advance,
don

Hi,
Do you want to configure the DHCP server to register and update DNS A and PTR records on behalf of the DHCP-enabled clients? If yes, based on my experience, you need to configure on the DHCP server. Since your DHCP server is a router, you can contact its vendor
for the specific settings.
Best regards,
Susie

Windows Server 2008R2 running Remote Desktop Services reports printer process does not exist when installing PDF printer

Windows Server 2008R2 running Remote Desktop Services reports printer process does not exist when installing PDF printer, And when Installing network printers from the domain controller it reports it cannot connect to printer. I can ping all
network devices. I can connect to the internet.
On boot I get a netlogon 5719 error followed by service control manager errors 7023,7001 and a group policy error 1129.
Clients can connect to the remote application and RDP operates to connect to the server internally and externally.
The domain controller is another server 2008r2 box. I have scoured the internet but have not found any solutions that work yet.

Hi,
After referring to your post, it can be identified that the issue which you are facing is mostly due to some network issue in your environment. Please recheck your network connection issue between computer and domain controller.
Can you able to ping with IP address and also with fully qualified name of a domain controller in the users' and computers' domain. If it fails states that name resolution issue with computer and domain controller. Are you using MS DHCP Relay agent then there’s
available Hotfix for the particular Event ID. Please go through this KB 2459530 to fix the error event ID.
As per the net logon error 5719 which you are facing states that the client component of Netlogon was unable to locate a DC for the domain it was trying to perform an operation against. Below is one of the reason. If this is being logged on a DC and the event
refers to the DC's own domain, something might be preventing the client component of Netlogon from starting a network session (to itself or to another DC in the domain). The following event 7001 & 7023 states start & stop operation service. Please
go through beneath article for more details.
1. Event ID 5719 is logged when you start a computer
2. Netlogon 5719 and the Disappearing Domain [Controller]
3. Event ID 1129 — Microsoft-Windows-GroupPolicy
Hope it helps!
Regards.

Authorized DHCP Servers not showing up in Authorized list.

I have used ADSI edit to validate that the correct servers are under: CN=NetServices,CN=Services,CN=Configuration,DC=Domain,DC=com
Currently we are in 2003 R2 mode for the Domain but all of our DC's are Windows 2008R2.
I did find a value for showInAdvancedViewOnly is set to TRUE.
Thank you,
Scott

If you still have the ticket open with Microsoft Premier Support for the DHCP migration, I would contact the engineer that helped you explaining what you are seeing so they can resolve it. After all, it is part of the ticket.
Please note, that TechNet forum support is not aligned with Microsoft Premier Support. They are two separate entities.
In the meantime, you can try the following, but I would still email/contact the engineer assigned to your ticket for verification, since they are familiar with your infrastructure and servers. (This was quoted from:
http://support.iyogi.com/networking/internet/when-netsh-dhcp-show-server-command-is-executed-and-you-are-getting-invalid-dhcp-server-references.html )
Run the ‘Netsh’ command to verify, if the ‘CN=NetServices’ container contains the references to the invalid DHCP servers.
Check the properties of the DHCPROOT key under CN=Configuration, CN=Services, ‘CN=NetServices’, ‘DC=Domain’, and ‘DC=com’ to verify if there is a ‘DHCPServer’ attribute containing the references for the invalid DHCP servers.
Delete invalid references.
Force replication
After replication is successful, verify by executing the ‘netsh dhcp show server’ command.
Ace Fekay
MVP, MCT, MCITP/EA, MCTS Windows 2008/R2 & Exchange 2007, Exchange 2010 EA, MCSE & MCSA 2003/2000, MCSA Messaging 2003
Microsoft Certified Trainer
Microsoft MVP - Directory Services
Technical Blogs & Videos: http://www.delawarecountycomputerconsulting.com/
This post is provided AS-IS with no warranties or guarantees and confers no rights.

Import-SmigServer DHCP error

When I attempt to import the DHCP configuration from my 2003 server to my 2008R2 server, I'm getting the following message. I cannot locate that .DLL on the 2008R2 server. I am running the shell as Administrator, what am I doing wrong?
PS C:\Windows\system32> Import-SmigServerSetting -FeatureID DHCP -Verbose -Force
cmdlet Import-SmigServerSetting at command pipeline position 1
Supply values for the following parameters:
Path: c:\DHCPExport
Password: ********
VERBOSE:
Import-SmigServerSetting : Could not find file 'C:\Users\***\AppData\Local\Temp\2\kyaueu3j.dll'.
At line:1 char:25
+ Import-SmigServerSetting <<<< -FeatureID DHCP -Verbose -Force
    + CategoryInfo          : NotSpecified: (:) [Import-SmigServerSetting], Fi
   leNotFoundException
    + FullyQualifiedErrorId : System.IO.FileNotFoundException,Microsoft.Window
   s.ServerManager.Migration.Commands.ImportSvrMigSettingCommand
PS C:\Windows\system32>

PS C:\Windows\system32> Import-SmigServerSetting -FeatureID DHCP -Verbose -Force
cmdlet Import-SmigServerSetting at command pipeline position 1
Supply values for the following parameters:
Path: c:\DHCPExport
Password: ********
VERBOSE:
Import-SmigServerSetting : Could not find file 'C:\Users\***\AppData\Local\Temp\2\kyaueu3j.dll'.
At line:1 char:25
+ Import-SmigServerSetting <<<< -FeatureID DHCP -Verbose -Force
    + CategoryInfo          : NotSpecified: (:) [Import-SmigServerSetting], Fi
   leNotFoundException
    + FullyQualifiedErrorId : System.IO.FileNotFoundException,Microsoft.Window
   s.ServerManager.Migration.Commands.ImportSvrMigSettingCommand
PS C:\Windows\system32>
Several points here:
1. kyaueu3j.dll does not appear to be a Windows file.
2. The error message shows that this file is supposed to be in the user profile ('C:\Users\***\AppData\Local\Temp\2\kyaueu3j.dll'). This implies that, the issue should be related to the user profile.
3. Most likely, something was loaded here which was trying to locate this file. "At line:1 char:25" This should be a file, in which the reference of kyaueu3j.dll is located.
Therefore, I am suggesting the followings, step by step:
a. Scan your system using anti-virus tools, and make sure there is no Virus/Spyware, etc.
b. Try to create a new user account on the machine, and log on using the new user account, and try to perform the same action. What happens?
c. Use Process Monitor to identify which process was trying to locate kyaueu3j.dll. Then, use Process Explorer and check what files are loaded by this process. Check those files. Very likely, one of the files should contain the reference of kyaueu3j.dll,
in line 1. Both tools can be found here:
http://technet.microsoft.com/en-us/sysinternals/bb795533
Hope this helps.
Regards,
Bennie Chen

New 2008 R2 DHCP server will not hand out IP addresses

We've recently migrated our Domain Controllers to 2008 R2, Virtual Machines. (DC3 & DC4).
DC2 is an older 2003 box, 32 bit, set for retirement. All former roles have been moved to DC3 & DC4, including FMSO roles, and the server (DC2) has been demoted. The only service that remains on DC2 is DHCP.
I've used NETSH to export / import the DHCP info to DC4. All reservations have transferred ( Printers) and the scope shows "active" on DC4 and authorized, and running, but whenever I shut DHCP down on DC2, DC4 doesn't start handing out
IP addresses to clients.
Even after rebooting a client multiple times, running ipconfig /release & /renew, it never finds the new DHCP server, nor does the server show any client information in the address leases. (other than reserves)
We have a Cisco ASDM deployed, but DHCP and DNS are both disabled on this device, so I'm not sure IP Helper would be an issue here.
Since both my new DC's are 2008R2, do I need to elevate active directory up to 2008 function before DHCP will work?

Hi,
Is the issue resolved? As suggested by
Wyatt Miller, you can check if it was caused by IP helper.
In addition, is the new server authorized?
Here is a migration guide for you:
Migration of DHCP Server from Windows Server 2003 to Windows Server 2008
http://blogs.technet.com/b/teamdhcp/archive/2009/02/18/migration-of-dhcp-server-from-windows-server-2003-to-windows-server-2008.aspx
Hope this helps.

Routing and Remote Access VPN DHCP error

I have a strange problem.
I have a client that is using Server 2012 Standard.
On this server they have Routing and Remote Access configured for VPN client access. Their users that are working outside the office connect to the VPN to access the internal network.
The VPN works fine for the most part. Recently however, it has started having issues.
Periodically (about once every 8 days) I will hear from them that they cannot connect and that they get error 720. I will check the server and the server will have the following errors in the event log:
Warning: No IP address is available to hand out to the dial-in client.
If you check DHCP the server is running fine and will hand out local addresses but it will not hand out addresses to VPN clients. Also the addresses that it HAS previously handed out to VPN clients will not show in the address leases.
The solution strangly enough is to disconnect and reconnect a the VPN client connection that the server has connecting it to a offsite server that it does a SQL sync with.
Any ideas as to what might be causing this? If need be I can post more detailed logs but I am not sure what logs even to post or what data to collect.
Any help is greatly appreciated.

I am experiencing the same issue on a Windows 2008R2 SP1 RAS server. The above statement About increasing the lease time on DHCP does not resolve the problem.
I am also Searching for a Solutions to this issue.
Up to now I have done the Following :
1. Increased the scope/ cleared IP's in DHCP.
2. Ensure that the DHCP server is accessable.
3. Created a Manual Scope on RRAS configurations settings (then clients can connect but cannot access resources on the network). Changing Back to DHCP, you recieve the same 720 Error.
4. Stop and started the DHCP services on the DHCP Server.
5. Stop and Started RRAS Services on RRAS server.
The Only Indication is, that DHCP for some reason does not lease out Addresses to the RRAS server..

DHCP Mirgation from 2008 to 2012

Hi,
I am migrating DHCP server 2008 to 2012
Environment. Please let me know the Best practice of migration.
I have configured DHCP failover in Windows 2008 R2
Environment.
Any help would be very grateful.
Thankx & Regards,
DD6

Hi,
This type of question is already running in technet portal.
http://social.technet.microsoft.com/Forums/en-US/fed16caa-fb53-4037-a578-5f8dfc61e4e3/dhcp-failover-migrate-dhcp-server-to-another-machine?forum=winservergen
Process of Migration DHCP Server 2008R2 to Windows 2012
• Firstly, you can disable the DHCP role in Windows Server 2008 R2. However, if the Windows Server 2012 is down, the clients cannot renew their IP lease duration and obtain IP address.
Therefore, it is recommended to leave the DHCP role in Windows Server 2008 R2 and deploy high availability. Windows Server 2012 brings the new feature: DHCP failover. However it requires both DHCP Servers are Windows Server 2012. Consider another Server
is Windows Server 2008 R2, we have to choose one of the following:
>> DHCP in a Windows failover cluster. This option places the DHCP server in a cluster with an additional server configured with the DHCP service that assumes the load if the primary DHCP server fails. The clustering deployment option uses a single
shared storage. This makes the storage a single point of failure, and requires additional investment in redundancy for storage. In addition, clustering involves relatively complex setup and maintenance.
>> Split scope DHCP. Split scope DHCP uses two independent DHCP servers that share responsibility for a scope. Typically 70% of the addresses in the scope are assigned to the primary server and the remaining 30% are assigned to the backup server.
If clients cannot reach the primary server then they can get an IP configuration from the secondary server. Split scope deployment does not provide IP address continuity and is unusable in scenarios where the scope is already running at high utilization of
address space, which is very common with Internet Protocol version 4 (IPv4).
More references:
Step-by-Step: Configure DHCP for Failover (Windows
Server 2012)
How
to configure split-scope using wizard
DHCP
Step-by-Step Guide: Demonstrate DHCP Split Scope with Delay on a Secondary Server in a Test Lab
DHCP
Step-by-Step Guide: Demonstrate DHCP Failover – Clustering in a Test Lab
If you need snap shot of migration then follow these links.
http://blogs.technet.com/b/canitpro/archive/2013/04/29/step-by-step-migration-of-dhcp-from-windows-server-2003-to-windows-server-2012.aspx
http://www.mehrban.net/migrating-dhcp-from-windows-2008-to-windows-2012
Deepak Kotian. MCP, MCTS, MCITP Exchange 2010 Ent. Administrator Disclaimer: Please take a moment to "Vote as Helpful" and/or "Mark as Answer", where applicable. This helps the community, keeps the forums tidy, and recognizes useful
contributions. Thanks! All the opinions expressed here is mine. This posting is provided "AS IS" with no warranties or guarantees and confers no rights.

2008R2 DHCP MP

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