Non-Scoped DHCP Reservations
When creating a new DHCP reservation, the wrong number was entered and it created a reservation out of scope. So now I can't see it in the GUI to delete it, and my Powershell skills seem to be lacking in finding reservations out of scope. Any…
RAID for AD/DNS/DHCP
I am planing to build a server2019 std for ADC/ DNS/ DHCP. I have more almost 1000 users who is going to join the domain. Could anyone help me which RAID I should use for this? What is the min HDD space required for C?
Windows 10 Update 2004 DNS Server Not Available Problem
I have a Lenovo Ideapad 320s. It updated automatically to Windows 10 Version 2004 on 28/9/2020. Since then the laptop will not connnect to the Internet and the Troubleshooter generates the message 'Your DNS Server might be unavailable'. I have…
DNS resolution for internet stopped
2 weeks ago my DNS was able to resolve queries to internet normally and suddenly. I have all Root Hints I don't use forwarding But due to the problem of stopping navigation on the websites, if I add 1.1.1.1 in the routing, the accesses to the…
DNS caching windows server 2016
This is an odd question, kind of a n00b, but does anybody know if there is a way to cache DNS on my windows 2016 server so that it doesn't check for new dns entires for an extended period of time? For example, I want it to keep all records for a minimum…
Migrate AD and DHCP services from Windows Server 2012 to Windows Server 2016
I have two domain controllers with Active Directory and DHCP services running on them with Windows Server 2012. I want to migrate both servers from Windows Server 2012 to Windows Server 2016 keeping name and ip address same as the old ones. Please guide…
DNS policies not working for split DNS
Hi all, I'm trying to set up DNS policies for the first time for our split DNS but they don't seem to be working. I've followed this article…
DNS is utilizing high bandwidth
I am using AD integrated DNS server. I have 6 Mbps line. Today, my bandwidth is being full utilized which is causing slowness problem. So network team helped capturing packets and they found that DNS server is one which is high utilizing the bandwidth. I…
DNS - host A record VS subdomain
Hi guys! I have question regarding when to use subdomain and when to use A record under main domain? e.g. I have main domain ABCD.com. I want to create record EFGH.ABCD.com that points to IP address 1.2.3.4. From my point of view I have to options: 1)…
Issues with Slave DNS Server replication 2012 R2
I am hoping someone may be able to help me! We have 3 Server 2012 R2 EC2 instances within AWS. All are new build servers, and standalone servers. Each machine has an elastic IP bound to it that is configured in DNS as our 3 name servers. One…
Dynamic A records of clients can be created well, but PTR does not. And Clients have the rights to create.
For clients that obtained IP from DHCP, the A records can be generated fine but PTR records in the reverse zone can’t be generated. We can created the PTR record manually and we can update the PTR with the A record checkbox on any scope. We are not using…
DNS Policy and load balancing with multiple servers in multiple sites
I looked through the DNS Policy overview docs and was wondering how to go about setting up load balancing for a website that has two servers in each of two datacenters. I think I would set up the zones like this: Add-DnsServerZoneScope -ZoneName…
DNS IPSEC TUNNEL
Hi Team, I find that the ipsec tunnel is listenning on my DNS server. below is the session status I got from my DNS server, the behavior is odds since it doesn't require vpn/tunnel in our environment. [svchost.exe] UDP [::]:500 …
DHCP events ID 1035/1036.
Hi everyone! May someone help me with the following message error? 2020-10-05 20:44:35 1036 DhcpServer The DHCP server was unable to create or lookup the DHCP Administrators local group on this computer. The error code is in the data. …
DNS zone create with live ip reqired reverse lookupzone ?
Hello, I have windows server 2003 domain and forest level, i got event id 4521 generated with The DNS server encountered error 32 attempting to load zone xyz.com from Active Directory. The DNS server will attempt to load this zone again on the next…
Is DHCP FORCERENEW (RFC 3203 ) message supported in windows dhcp client?
Hi, all Is DHCP FORCERENEW (RFC 3203 ) message supported in windows7/10? I have a requirement where I need the DHCP server to initiate force renewal of client IP address. Thanks.
Change DHCP Failover shared secret password
Hi, we had our partner IT Company create DHCP Failover, but they entered a wrong shared secret password. How can I change this? Cheers!
DNS across multiple forests
Hi, We've been experiencing odd DNS behaviour for years and it's time to fix it up :) Could you please advise what you would change in regards to primary & secondary DNS and DNS forwarders, as below? The current config is: Domain A (has…
DNS automatically answers.
Hi everyone! Is it possible to program DNS on Windows Server 2019 to answer whatever question is received in a zone name to a predetermined name (record)? Example: zone name (lab.com). host1 (A record). So, host1.lab.com is a valid query! I…
Good cross-DNS practices
Hi, we have the scenario: Two DNS servers in the datacenter Two DNS servers in Azure What is the correct primary and secondary DNS configuration for the four servers? Server 1 (Datacenter) - Primary DNS: Server 2 (Datacenter) / Secondary:…