Windows Server 2012 R2 is a server operating system from Microsoft. It was published on May 31st of 2013. It contains many substantial changes over it predecessor, and substantially streamlines the number of available versions, which are down to four: Foundation, Essentials, Standard and Datacenter.

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Error: Unable to display RD Web Access… after hitting refresh in IE

Just setup a RDS environment with Windows Server 2012 R2 (Broker/WebAccess/RDSH/Gateway/SSL). Everything runs fine except for when you use IE to access the Web Access and hit the "Refresh" on the ...
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RDS 2012 - Starting RemoteApp from RDWeb Prompts for credentials

I have the following Windows 2012 R2 RemoteApp Setup Server1 - Role (Web Access, connection broker, RD Host) 192.168.100.1 Server2 - Role (connection broker, RD Host) 192.168.100.2 DNS Entries used ...
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IIS Port 443 and NT Kernel & System

I need to have sites running through IIS at port 443 and port 80 but these two ports are used by a System process (PID 4) with a description of NT Kernel & System after I run the netstat -aon ...
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344 views

Restart Hyper-V VM on heartbeat lost

I have a Windows Server 2012R2 hyper-v host. It is running a number of VMs, including a few linux VMs. I have one linux VM that has been occationally, but somewhat regularly crashing somewhere in the ...
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144 views

“Net Send” command into Windows Server 2012 R2

I remember that in preceding versions of Windows server there was a command to send to the client (in this case all with Windows 7 -64 bit-) a message that appears on the screen. Still exist for ...
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432 views

Cannot start WDS installation in default language with 2012 R2 boot image

I've a WDS server running Windows 2012 Server and I just uploaded Windows 2012 R2 images to the WDS server. Changed the boot.wim image to the one in the 2012 R2 ISO, but after this change, I was ...
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69 views

What are the risks of adding third-party Root CA certificate into NTAuth Store?

What are the risks associated with import of third-party Root CA certificate into the Enterprise NTAuth Store in Windows domain except that the CA is then trusted to issue certificates? This is for ...
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2k views

The user name or password is incorrect error while joining Windows domain

I am trying to add an second domain controller (DC) to my domain. The server is running Windows Server 2012 R2. After getting the error when promoting it to an domain controller I tried uninstalling ...
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Binding multiple public IPs to one Hyper-V Virtual Machine

I have a Windows 2012 R2 with Hyper-V running. I have created an external Virtual Switch and a VM ( virtual machine). The VM has it's own public IP. I can ping that VM from a remote computer and it ...
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Routing different subnets across hyper-V virtual switch

Our server has two NICs each on a different subnet, we want traffic to cross between the two subnets. By default if these are two base NICs then this seems to work. Problem comes when one of them is ...
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32 views

Network traffic being automatically balanced instead of only through one interface

I have 2 servers each with 2 network cards running through two totally separate networks. One network is a public facing network and the NICs are configured with public IP's. The other network is a ...
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25 views

Remove Failed Drive in Windows Storage Pools

I am currently using Windows Server 2012 R2 with Windows Storage Pools I have a virtual disk called "2T RAID" that is in Parity mode. There are 8 - 2T hard drives in this virtual disk. Today one of ...
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Server 2012 network share cannot be accessed on Windows 10 through cisco vpn

We have a user who is at home trying to get access to our Windows 2012 server network share. He can view network shares on 2008 but not on 2012. We had this previous problem with users on Windows ...
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Force DHCP Reservation Updates to Secondary DHCP Server in Windows Server 2012 R2

I have setup and configured two DHCP servers on my private network in load balancing mode as outlined in the following technet article: http://technet.microsoft.com/en-us/library/dn338979.aspx Both ...
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48 views

WSUS Export Error: The gzip stream cannot contain more than 4GB data

WSUS-SrvA is running Windows Server 2008 R2 Enterprise and can sync updates. WSUS-SrvB is running Windows Server 2012 R2 Standard and is on a detached network. When we run wsusutil.exe export ...
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33 views

Permissions On Folder Give Me Access Denied. Why?

I have a user (dAdmin) and that user is a member of the domain admin's group and is also a member of the local server's (serverA) Administrators group. On the folder (fShare) I set it up as a share ...
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490 views

Windows 2012 R2 Authorative DNS Server returns root hints

I have a non domain joined authoritative dns server for a zone, I've disabled dns recursion in server settings. When i do a query with dig @ns1.mydomain.tld . it returns the root hints. I've read ...
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Unexplicable extreme slowness on Dell PowerEdge R320, fixed only by cold reboot

At this customer's site, there are two new Dell PowerEdge R320 servers with the following configuration: A single 6-core CPU 16 GB of RAM 2x500 GB SATA disks in a RAID 1 array The O.S. is Windows ...
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25 views

Failover dedicated servers using DFS or use Cloud hosting

Currently I'm running a number of ASP.NET applications on a single dedicated Windows 2012 Standard R2 server with a hardware firewall in front. If this server goes down, my applications cannot be ...
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login attempt failed server 2012 r2 rdp

I've just introduced 2 new 2012 r2 DCs into an existing domain with a view to decommissioning 2 2008 r2 DCs once everything is transferred over. Its a very small company with little in the way of ...
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Windows 8.1 clients querying wrong ldap SRV record?

I just spotted than my PC, running Windows 8.1 Pro on a Windows 2012 R2 domain has been querying DNS for SRV records that doesn't exist. All of the dcdiag /dnsall tests pass, but I wonder if there's ...
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34 views

Is it possible for a Windows server to have 2 (or possibly more) network names (or aliases)?

I have a temporary need to consolidate 2 currently separate servers onto a single machine. I am considering using VMs, but it would be far less work if I could just have 2 different server names point ...
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43 views

Hyper-V Server Deployment - adapter configuration

I'm sure this question will have been asked somewhere before. In fact I'm sure I've read about it before too, but I can find any resources to help me along my way. What I'm trying to do is deploy a ...
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39 views

After making my VM highly available I get “Could not find Ethernet switch” error when trying to live migrate

I normally create new VMs from the Failover Cluster Manager GUI. But this time around I went a different route because I had to (due to time constraints and available resources at the time). For ...
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Converting a Windows Server 2012 R2 Scale-Out File Server Back To Regular File Server. Is It Possible?

Well... I messed up. I didn't do enough research and just checked out the headlines then jump head first into the new Scale-Out File Server that Windows Server 2012 R2 brings to the table. At first ...
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CPU parking, windows 2012r2, with no hyper threading

I have server based on Intel R1304WT2GS with two e5-2660v3, windows 2012r2. I've installed last drivers from intel site. For business purposes i need to disable hyper threading, and use windows 8.1 / ...
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668 views

Windows user privileges when running scheduled task

I posted a question a while ago about allowing a specific user to start/stop Windows services. Provide a user with service start/stop permissions I decided to revisit the issue. I have no idea what ...
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45 views

Install Oracle 11.2.0.4 to Win2012srvR2

I'm starting to prepare my server to install a new version of Oracle 11.2.0.4 Database. I'm reading some forum... there is problem about thin installation ? Is supported Oracle 11.2.0.4 version into ...
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259 views

Un-cluster storage added to Windows Failover Cluster Manager

Forgive me if I'm mixing up terminology, I'm a DBA and trying to see if I can un-do my error here. Background: I was adding a 3rd DR site node to a Windows Server Failover Cluster to utilize AlwaysOn ...
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Win 2012 AD, can't login with some users: there are currently no logon servers available to service the logon request

I have a Windows Server 2012 R2 with a fresh AD created, I have the admin user and test1. I added to the domain another Windows Server 2012 R2 machine and I can't log with the admin user, I get that ...
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1k views

Remote Control with Remote Desktop Services Manager - error Access is denied (Windows Server 2012 R2)

We have 2 Remote Desktop Servers (Terminal Servers) with Windows Server 2008 R2 (WS 2008 R2) and Windows Server 2012 R2 (WS 2012 R2). I'm using Remote Desktop Services Manager (RDSM) installed on WS ...
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Windows Server 2012 R2 Personalization Pane not showing color picker

We are running a RemoteApp server on 2012 R2 and want to let our users select a border color and font size. Other than that, we don't want them messing around in the control panel. At first we set ...
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47 views

Must the root domain name be registered when creating a new forest in Active Directory?

When creating a new forest in Active Directory on my domain controller running Windows Server 2012 R2, I was prompted to specify a root domain name. Must the domain name be registered and owned by me? ...
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How to remove RC4 cipher from node.js https server running on Windows 2012 R2

Using ssllabs.com's scan tells me RC4 is in use. I read that RC4 should be disabled by default in Windows 2012 R2. I'm running a node.js server using https.createServer and not specifying ciphers ...
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56 views

How to enable incoming and outgoing world wide web traffic in IIS

Goal: Access website hosted on a remote cloud's IIS via web-browser. Case: I wanted to open my IIS server (Windows server 2012 virtual machine hosted on Google compute engine) so that the website ...
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Need a Quick Way to Disable All Windows Server Security [closed]

I have several test machines on which annoying (in)security prompts block my research and development work. I am not at all concerned with the security of these machines and have no problem with ...
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34 views

Event ID 1340 - DNS registration for DHCPv4 Client & DHCID has been denied (DHCP Name Protection)

Event ID 1340 warnings are consistently being logged on a Server 2012 R2 domain controller in the System log whenever Apple/Mac clients connect to the network. Here's a log example: Log Name: ...
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Windows Server Backup on 2012 R2 volume size limitations?

I know that Windows 2008 R2 and 2012 were limited to 2TB volumes (or at least the size of files) due to the fact that internally Windows Server Backup uses VHD files which are limited to ~2TB. I ...
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What happens when “Auto state switchover interval” is less than “Maximum client lead time” in DHCP?

I was wondering what happens when "Auto state switchover interval" is less than "Maximum client lead time" in DHCP? The question was raised after reading definitions of MCLT & ASSI: Maximum ...
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How to secure Windows Server 2012 R2 against “open recursive resolver” attack

I received an email from an ISP stating that our server had participated in a DDOS attack against one of their servers--and that we appear to be running an "open recursive resolver". The IP address ...
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246 views

Install windows 2012 R2 over KVM-virtualizaton

I'm trying to install Windows Server 2012 R2 over linux KVM-virtualization. The installation process stops and requires drivers to continue. I'm trying with virtio drivers from fedora but doesn't ...
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144 views

Correlating volumes and physical disks through WMI

I'm trying to correlate volumes (as enumerated from win32_volume for those where DriveType = 3) back to win32_physicaldisk instances. Everything that I've seen in my research points to the answer ...
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3k views

802.1x auth without certificate on clients

I'm trying to implement WPA-Enterprise authentication on my UniFi Controller (3.1.10) without the need for certificates on clients. My RADIUS server will be Windows Server 2012R2 with NPS role ...
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174 views

How to prevent Windows Server from adding external IP addresses for the domain controller into the DNS?

On one of my domain controllers there are two network interfaces - an external with IPv4 and IPv6 addresses and an Internal with 10.x.x.x address. The domain controller has RRAS (VPN site-to-site ...
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148 views

Tips on manually rebalancing data across a Parity Storage Space pool in Windows Server 2012 R2

On my HP Microserver N54L which acts as file server, I have a parity storage spool consisting of the following: 4x 2TB WD Caviar Green 1x 3TB WD Caviar Green (Recently added) The OS (Server 2012 ...
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Server 2012 NPS Server not authenticating IKEv2 requests

I am having a weird problem regarding NPS Server when I upgraded my vpn servers from server 2008 R2 to Server 2012 R2. Actually in my infrasturcture I have a Windows 2008 R2 based AD and in its domain ...
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4k views

SPN settings in a ADFS 3.0 lab setup

I am a developer trying to understand authentication with ADFS (2012 R2), so I am trying to setup an ADFS lab. I have found 2 guides: doc1 - http://technet.microsoft.com/en-us/library/dn280939.aspx ...
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Server 2012 R2, disk quota vs user quota

I'm learning Windows Server configuration and I'm confused a little, because there are two (at least) apparently independent quota systems. First one should be enabled per drive in drive properties, ...
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How to prevent users from deleting non-empty folders?

In our business, we have a number of file shares for each of the departments, and we largely leave it up to the different departments on how to manage those shares. However, we have a recurring ...
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Why did my Windows Server 2012 R2 timezone change overnight?

When I logged into my workstation this morning, the timezone had been changed from Eastern to Pacific. In the event viewer I see the following three events, all at 4:12:15 AM. It looks like the ...