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DHCP Leased Addresses show an IP in the name field.
We have an issue that recently showed up on our DHCP server. We've noticed that anything with the 3rd octect above 128 does not hand out a DHCP address properly to the device. For example a scope for...
View ArticleThe following fatal error was received: 46, event ID 36887
Hi, we see the following error on our Domain controller occurring at 6am on a daily basis.Log Name: System Source: Schannel Date: 4/12/2014 6:00:55 AM Event ID: 36887 Task...
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_msdcs subdomain best practice with NS records?
I have the _msdcs subfolder under my domain (the grey folder). example belowIt has only one DC inside of it for a NS server. This DC is old and no longer exists. I checked my test environment and it...
View ArticleDNS caché in the DNS client and in the DNS Server
Hello,I am studying dns deeper , and ran into a question:The DNS client has its own cache, as well as the DNS server, so I was wondering where the dns client looks first for www.unknowdomain.com , in...
View ArticleDirectAccess + OTP
Hello,I have a question related to DirectAccess and OTP. As far as I understand, when OTP is setup, the One Time Password has to be entered after the user opened his session with his Windows...
View ArticleAD Integrating conditional DNS forwarders stops them working
I have a conditional forwarder set up in Domain A to go to the DNS servers for Domain B. This works fine as standard conditional forwarders, but if I change them to AD integrated they stop working! I...
View ArticleDirectAccess - IPHTTPS Tunnel with native IPv6 client
I observed that in a DirectAccess KerbProxy scenario, a Windows 8.1 DirectAccess client with native IPv6 Internet connectivity is still using the IP-HTTPS transition technology for connecting to a...
View ArticleDNS server event log messages can't load
I'm running a new domain controller with a DNS server on it. The event log entries for the"Microsoft-Windows-DNS-Server-Service" all fail to load. I look at the "DNS Events" item in the "Global Logs"...
View ArticleIn what order are root hint DNS servers used?
Hey guys, I was wondering how the list of root hints were actually used when the DNS server performs iterative queries. Since it's a list that seems to be in alphabetical order, does it simple use...
View ArticleChanging the domain name in Windows Server 2008 R2
I have a Windows 2008 R2 server on an isolated, (no internet connectivity), network. The server is providing DHCP and DNS.The server was delivered to me configured with the domain name set to...
View ArticleAuthentication via RADIUS : MSCHAPv2 Error 691
Hello All, I am working on setting up authentication into an Acme Packet Net-Net 3820 (SBC) via RADIUS. The accounting side of things is working just fine with no issues. The authentication side of...
View ArticleNPS/Radius Installation - Windows 2012
When installing NPS/Radius, is installing AD directory services required?When looking at the how-to blogs/or sites, I can see that directory services was installed as I review the screenshots. Is this...
View Articlewhy connect two dhcp servers with different IP addresses?
so for an assignment at college we had to configure a router connected to two switches which both had a server connected to them. the computers were connected via dhcp to either server however each...
View ArticleHow can i determine my public ip port?
My ISP is running NAT and DHCP service so it dynamically assigns IP's to clients and gives one public IP to thousands of users through the internet, so I have to turn on my NAT service in my router so...
View ArticleChange orde IPv6 and IPv4 in Windows server 2012 R2
Hi,I would like to know if it is still supported to change to perference of IPv4 (first) and IPv6 (second) in Windows Server 2012 R2 ? It seems like this was supported in Server 2008 R2, but not...
View ArticleDirectAccess client enables IPHTTPS interface when inside corporate network...
We have 4 offices connected via an MPLS network. I've installed the DA server in the main office. We're using a PKI for NLS and IPsec certs and a self-signed cert for IPHTTPS. For the most part...
View ArticleRAAS Not Assigning Connection specific DNS Suffix
Hello,I have setup Server 2012 with roles Primary DC, RAAS, DHCP and DNS. SSTP has been configured as the type of VPN.My server is on the 10.0.0.0/24 network. Under IPv4 Address Assignment a static...
View Articlenslookup timeout
hi thereI have a SBS Windows Server 2011 with 10 Workstation (Windows 7)on the Server WINS, DHCP and DNS is runningDNS1 Points to the local ServerDNS2 Points to the Router / provider if i do a...
View Article802.1x random failures
I am in the process of implementing machine based 802.1x to my company. I have 2 radius servers and 1 CA. The machines get their certificates via group policy. The group policy is working fine and...
View ArticleRRAS and 2 public IP addresses
Hi,we have a 2008 server with 2 public ip addresses. We want to use RRAS with SSTP protocol with one of the public ip addresses. So, port 443 is in use with one public ip address.We want to use the...
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