Domain Controller Demote
I have a domain controller that I need to forcibly demote. I am on a Windows 2012 R2 domain. What procedure should I follow to do this. I no longer have access to that controller.
View ArticleAssigning Dynamic IP addresses to VPN clients after login to NPS
Greetings. There is a NAS on a Cisco router, which connects the user through the Cisco VPN Client. As a RADIUS server is configured Microsoft NPS. There are two servers with AD and DHCP. Once the user...
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High IPv4 Loopback Traffic
Hello Everyone,I am using Windows Server 2012 with Sql Server 2008 R2 installed on It. Everything was working perfectly before 2 days. Suddenly employees start complaining of Slow Network Performance....
View ArticleRemote Access - separate IP pools per user group
Hello,I've been testing the remote access role on Windows Server 2008 R2 as a replacement for our current VPN solution and sofar it's been quite nice except for one major limitation that I can't find a...
View ArticleI can't authorise DHCP server in my test envirement.
Hello everyone.I've got my testing setup of a win2012R2, it was in workgroup just a few days ago, and now it is a "domain controller". And I couldn't find an answer for my problem, I am getting an...
View Article5719 netlogon errors normal on WIRELESS networks?
I have a Windows 2008R2 domain with Win7 clients. I know there are a lot of Microsoft articles about 5719 netlogon errors "No domain controller could be found", but my question is why do I always see...
View ArticleErr while Completing Wizard- Updating Network Connectivity Assistant- No Such...
Please I Must Need Finish the Wizard If I Dont use Certificate on Step 2 then I get NCA Err that No Such Host Found. If I use it then I get Err of System Cannot Find File Specified.My config is Perfect...
View ArticleHost record for DC magically disappears & DHCP service still running, but...
I have a 2008R2 domain with Win7 clients. This has happened twice in the last week and it is really throwing me off. Some Domain Controllers are also DHCP/DNS servers. We have been having some power...
View ArticleDHCP not working after configuration
Hello,Quck Background:In one of my organizations, I have a Windows server 2008 R2 running active directory, DHCP, and DNS. A person there with limited knowledge decided to run DHCP and DNS from an ISP...
View ArticleDNS architecture - best practice (internal & public DNS records)
Hello, could you please tell me, what is the best practice for DNS architecture? I need to recreate DNS infrastructure in the company, which has headquarters and 10 branch offices connected through...
View Article2012 R2 DHCP server with Hot Standby setup is not giving out available IP...
After setting up DHCP Hot Standby mode the DHCP server runs out of IP addresses even though there are 132 left to give out. Lets look at what DHCP Server statistics in hot Standby mode say about the...
View ArticleDNS staleness and quick computer moves between internal networks
Problem: (All of this is under 1 umbrella internal DNS solution) When a computer (using dhcp) moves from one internal network (10.1.X.X/16) to a different internal network (10.100.7.X/24), it gets a...
View ArticleNPS Event 6273 Reason Code 16
We're in the midst of relocating our RADIUS role from a 2003 DC to a 2008 R2 member server.The following features have been installed and configured:Network Policy ServerRouting and Remote Access...
View ArticleiSCSI Target Stuck - Windows Server 2008 R2
Windows 2008 R2 SP1, full patched, running a backup application (Backup Exec 2015) using iSCSI connection to 3 storage arrays on three subnets (the public NIC is on a fourth subnet). One subnet is...
View ArticleDNS Dynamic updates DHCP credentials expire\deleted
I am about to implement DNS Dynamic Updates in our AD environment and have all the pre-requisites and SOP document ready, I just wanted a clarification on what would happen if the Credentials used for...
View ArticleThe Windows Filtering Platform has blocked a packet.
The Windows Filtering Platform has blocked a packet.Application Information:Process ID: 0Application Name: -Network Information:Direction: InboundSource Address: 0.0.0.0Source Port: 68Destination...
View ArticleRRAS - NPS Connection Problem
We are using RRAS and NPS to connect to a SSTP VPN. We have two separate RRAS servers in two separate AD sites. One of the servers works fine, the other is where we have the problem.When we connect...
View Article2012 R2 DHCP Failover - client keeps logging event 1003 even after dhcp...
I have built a simple test scenario for DHCP failover feature of Server 2012 R2: DC1 - Server 2012 R2, DC and DHCP role SV2 - Server 2012 R2, DHCP role CL1 - Server 2012 R2, no specific role, DHCP...
View ArticleHost Name is not getting listed in Microsoft DHCP Service Activity Log
We have enabled Microsoft DHCP Service Activity Log and while fetching report it's not listing the Host Name for all users/computers. IP Address list is properly.Please suggest how to get Host Name...
View ArticleFTP access on client side
Hi,Have configured FTP server on MS Server 2012 R2 in lab.FTP account and setup looks fine within the Server but I cant connect to FTP site from clinet side, or clients can not access FTP."Page can not...
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