DHCP Server on different subnet
DHCP Server on different subnet than scope that it is servicing. DHCP Server is on 10.16.80.100 and client scope is 10.0.0._. DHCP clients not getting ip addresses. IP Address are 169.x.x.x. Static ip's for clients can be assigned in the 10.16.80.x…
Best way to create DHCP scopes when using MS IPAM?
In DHCP there seems to be two approaches to configuring scopes and I have seen both, often on the same server. One is to set the start and end addresses to the extremes e.g. 10.1.15.1-10.1.15.254 and then exclude blocks that are used as static ranges…
DNS and DHCP issue with two different IP Addresse range
Hi, I have a question about DHCP. We have two different IP Address Range on our DHCP Server. 192.168.1.0 IP Address Range, that is for wired LAN and 172.30.0.0 IP Address Range and that are for WLAN The problem is the users is getting both IP…
How can I find all sub-domains using PowerShell?
I can use Resolve-Dns to retrieve an A record (if one exists) for a given domain name. Is there a way, using PowerShell, to find all sub-domains? Here's a specific use case: One of Microsoft's stated domains to allow through firewalls is:…
Migrate FSMO from PDC to BDC
Hello, I have an SRV1 server with Windows Server 2012 R2 that works as a Domain Controller, since it is starting to have hardware problems I also considered it appropriate for greater security to put on another SRV2 server always with Windows Server…
lost dns master key server
i delete older dc, what was fsmo server. I did do seize operations but some reason dns master key role did not change. Now i cant return it back. can i take back from backup? or can i somehow change new dc server to be dns master key server
Cannot associate my MCID with an organisation
I am unable to associate my MCID with my organisation - there is no link to do so. Also I'm unable to edit my profile - I am told to contact Microsoft Thirdly, all my Dynamics CRM exams have disappeared from my profile Are you able to help here? My…
DHCP Failover
hi, i have this arrow on my DHCP server (failover scope DHCP): somone know what this orange arrow mean ?? Thread source link:…
DCOM Errors External Forwarders
i have a .local domain NIC card: ipv4 dns uses ip of server (dc) and secondary dc. not using 127.0.0.1 ipv6 dns uses ::1 This is a Windows Server 2016 Standard DNS server uses both ipv4 & ipv6 interfaces DNS server forwarders are set to…
Authorizing a DHCP server in workgroup
What is the procedure to authorize a DHCP server in a workgroup? Where is it documented? Thread source link:…
Microsoft DHCP failover relationship
Hi, I have two DHCP windows 2016 servers ( Server - A & Server - B ) with IP address and hostname. I have configured the DHCP failover relationship on Server - A, Hence all the scope replicated to partner server - B to achieve high availbility. its…
When does a client update DHCP
Problem: Scavenging turned on one zone, by one in the IT staff In this time PC's aren't used (people work at home), so A record is deleted in 7 days. And this happened to many DNS records Settings DNS: Aging 7 days, no refresh interval and refresh…
DHCP Dynamic Updates Proxy Account
Greetings, I have a question about some behavior I am seeing in my DHCP scopes. This relates to the option to have DHCP "Always dynamically update DNS records". I have done a lot of work to have all our DHCP distributed addresses registered…
Change IP address range - Windows Server 2016
Hi All, I have installed 4 VM's on my local machine on Windows Server 2016 platform. I want to change DC2-DB1 and DC2-DB2 IP range as mentioned below. Please guide how to change IP address range for these two servers. Default IP range address: …
Does MS DNS server allow setting up automatic denial of registration to certain IPs, ranges, or subnets?
Since most of our users are on VPN now, our DNS servers are registering both their local home network's local LAN addresses (usually 192.168 addresses, of course), which we definitely don't want in our DNS, and the Palo Alto globalprotect VPN addresses,…