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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RSS hash tuning for mellanox NICs on windows

I found this document that mentions about changing the RSS hash algorithm for small number of connections. The default RSS hash calculated by the adapter is a Toeplitz function. On some ...
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76 views

Installing MySQL on Azure VM (Windows) with attached Data Disk

The Azure docs say: It's a best practice to use one or more separate disks to store a virtual machine's data. It's my understanding that using an attached disk is recommended (at least in ...
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50 views

Vm goes to saved state when removing CSV

I have a 5 node Hyper-V cluster running. All 5 servers are running Server 2012 R2, each node is attached two devices using iSCSI. The device I'm having problems with had a single volume that was used ...
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2answers
82 views

Unable to authenticate MediaWiki (on LAMP/Ubuntu) users using AD (on Windows Server 2012 R2) via LDAP

I am working in an AD domain with a single DC running Windows Server 2012 R2. On the domain's network (though not formally domain-joined) is a LAMP web server running Ubuntu Server 14.04.3 LTS. All ...
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49 views

Redirection mapping in MSMQ. Messages not sent

I have a setup where I have a chain of servers that I need to send messages between: A -> B On A I have an application which puts a message on a local MSMQ queue. This queue needs to forward the ...
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35 views

Web deployment failing on IIS 8.5

I'm trying to get Web Deploy setup on an IIS 8.5 server running on Server 2012 R2. When attempting to deploy from Visual Studio I get the following error: Web deployment task failed. (Could not ...
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54 views

How can I automatically unlock a Bitlocker To Go hard drive if no user is logged on?

I'm using external USB hard drives to backup my server (Windows Server Backup). These drives are encrypted by Bitlocker To Go. I configured the disks to get unlocked automatically, because they are ...
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73 views

Server 2012 R2 Installed AD DC and Lost Internet Access

I am a developer and new to set up and server config... so please forgive my full lack of understanding. I am using a 1&1 Cloud Server with Server 2012 R2 Standard and am trying to set it as an AD ...
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1answer
23 views

How can I choose a default interface for sourcing traffic?

I've got a Windows 2012 server that is multi-homed (for some specific monitoring purposes, definitely not ideal, but it is what it is). Only one interface has a gateway setup (as that's the one that ...
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1answer
32 views

GPO map network shares 0x8007007b

I'm running a lab to test GPO. I'm trying to map a network share item using GPO on a DFS share. This is the guide I'm following. As a test, I change it to a map network drive GPO User ...
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2answers
106 views

Windows Server notify when installing updates finished

The Windows Servers in our environment (2008 R2 and 2012 R2) install updates automatically once a month, but don't restart automatically (yet), because the WSUS server should be the last server to ...
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1answer
57 views

Copying Files from one Network Share to Another, Location is unavailable

We have 2012 R2 Terminal servers with all the documents on file shares. Recently we added a new drive to where users will save information. the Y:\ drive. However when copying files there from another ...
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2answers
55 views

LAN with AD server: recurring slow link problems, how to diagnose?

I have a multi-site Active Directory domain. All domain controllers across all sites are running Windows 2012 Standard R2. Site 1 and 2: everything works fine Site 3: I just setup and I’m having ...
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1answer
77 views

Hyper-V host memory requirements. Possible over allocation to guest VMs?

System: PowerEdge R430 Intel Xeon E5-2440 (dual) 32GB RAM Hyper-V 2012 R2 VMs: DC - 8GB RAM APP - 19GB RAM The VM's are not configured for dynamic memory. The client was complaining about ...
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1answer
57 views

Active directory migration 2008 to 2012

After so many hours of pulling my hair i end up here for some help. I also want to apologize for my English since its not my native tongue. We currently have a Windows Server 2008 which we need to ...
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1answer
50 views

Account Lockout Mystery

I have a rather frustrating issue involving a single user in Active Directory whose failed logon count on the PDC jumps up to 5 every 10 minutes or so and gets locked out. Now the "mystery" part is ...
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32 views

Server 2012 R2 blue screen when mouse is plugged in

I have a server (Lenovo TD340) running 2012 R2 standard. I've been using the server without a mouse for a while as I didn't have one handy. Recently got a mouse (Logitech USB) and hooked it up. ...
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1answer
41 views

Approving updates for WSUS test group, then approving for all others

Setting up a new WSUS server for our environment here. Best practice seems to be to have a "test group" of machines that get updates approved for them first, then once there seem to be no issues, ...
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1answer
52 views

Do Firewall and Domain Controller need to in same network for authentication?

My company has a firewall. My company don't have any Domain Controller nor Windows Server device. My boss plans to configure the firewall to let users authenticate with their corporate credential ...
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41 views

Window Server 2012R2 IE very slow to load first page only when ESC turned off

Running Windows Server 2012 R2, when I used Server Manager to turn off enhanced security configuration for IE, IE is then extremely slow to load the first page. With ESC on, IE works normally. But ...
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33 views

Default Administrator not in BuiltIn\Administrators, how to regain access on domain controller Windows Server 2012R2

I have managed to lose the Allow Local Logon Right and I have no account that is a member of the BuiltIn\Administrators group on the single domain controller/single server network. The default ...
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215 views

New Server 2012 R2 Essentials generating Audit Failure Event 4625 Null SID Logon Attempts

I am researching a failed login issue that is triggering our monitoring software. Researching the issue, the only other information I could find that was exactly what I was seeing, was on here: Event ...
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43 views

Microsoft Dynamics GP Session Central Service does not start

ITNOA All GP services started except GP session central service. When I want to start it, I see the below error in Event Viewer. GP session central: An argument pointing to a valid servicehost ...
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95 views

Hosting a Odoo 9 onsite with Hyper V- Security concerns

I have a small business network: Hyper V Host (2012R2) VM-Active Directory (2012R2) VM -application, print, etc server (2012R2) Several client pcs, some on domain, some not, all running Windows 7 ...
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14 views

detect process accessing network ip on Windows server 2012 R2 [closed]

I tried to identify processes that try to access certain IPs(akamai - 23.0.174.35...). I used MS Message Analyzer but it seams that it can not give definitive results since I get different name and ...
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34 views

Hyper-V Host Shutdown script

So I have a cluster for Hyper-V and am working on a script to move all active VMs to a host over the weekend, put the hosts in maintenance mode, and then poweroff all but one of those hosts for the ...
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2answers
67 views

Exchange DAG Auto Failover - Reasons

Our 2013 DAG seems to somewhat arbitrarily activate DBs on other servers and move them from the ones they were active on. In looking at metrics there were no noticeable spikes in RAM/IO/Networking/etc ...
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78 views

Adding Reverse DNS for Azure Email VM

I am a fresh user in azure, i created a windows VM and installed hMailServer on it, when i send emails to some recipients i get the following error: Remote server replied: 550 5.7.1 Connections not ...
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2answers
43 views

Is it possible to create a new Windows Server Role?

I was wondering if anyone knew of a way to create new Windows Server Roles (much like IIS, DNS, DHCP, AD, AD CS and so on)? I don't have a specific product or system I want to make, but I often ...
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54 views

Windows Server 2012 cross domain authentication issue

firstly I'm just a humble DBA, so play nice :) We have a new AD Domain at work where the server guys are setting up any new servers that we require. All the pre-existing servers are still in the old ...
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15 views

Windows RADIUS approval

I'm in the process of rolling out WPA2 Enterprise and am trying to figure out how to allow mobile phones to use the network. Pushing out the config is easy with my MDM, but how do I tell NPS to allow ...
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1answer
44 views

Get file system write cache queue size

I am copying a large amount of files from one server to another via robocopy to a UNC share. I notice that after robocopy completes that there is a large amount of disk activity that lasts for a ...
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1answer
24 views

Detaching an EBS secondary volume

I am using an instance that has an EBS volume attached to it . This volume is used as secondary volume ( mounted to xvdf ) . So usually to detach the volume i go to volume section of the AWS EC2 ...
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3answers
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Unable to install .NET Framework 4.6 on Windows Server 2012 R2 Core

When using the the offline installer (https://www.microsoft.com/en-us/download/details.aspx?id=48137) to install .NET 4.6 on a Windows Server 2012 R2 Core machine the following error is being ...
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16 views

Grant CMD internet access, just as IE and Chrome have (via proxy)

I'm on a Windows 2012r2 machine and internet access is granted via a proxy server. The machine is installed with XAMPP and after some issues I've managed to install composer (dependency manager for ...
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32 views

Windows Server File Share Audit

I have a file service on Windows Server 2012 R2 and I want to track these events on it: User created a file/folder User edited a file/folder or its' permissions User renamed a file/folder User ...
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41 views

how to check WinRM service running in windows server 2012 R2

How to check WinRM service running in windows server 2012 R2 and how i check from server manager? i want to configure Remote PowerShell and CredSSP Configuration in this server , this server OS: ...
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3answers
63 views

All DNS queries to AD DNS server suffixed with xxxxx.cloudapp.net

I configured an Azure VM with Windows 2012 R2 and the DNS Server role installed. I have another VM in the same VNet and I am using nslookup to query the DNS server. Every time I query any domain ...
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1answer
74 views

Does MS DNS server load balance queries when forwarding to a list of DCs?

Background: Currently we are managing around 300 sites each hosting one 2012 R2 machine having the DNS server role installed. All site-local clients are pointing to their respective site-local DNS ...
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72 views

DFS-R replication: NTFS permissions don't work on some subfolders on members

I've setup DFS-R (Hub and spoke) for a share between 6 Windows 2012 R2 servers. The share on all servers is called "Websites$" with "full access" permission for everyone. All servers have high ...
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3answers
50 views

Unable to rdp after fw change

VM Windows Server 2012 r2 I was able to rdp to this VM without issues until today. While logged in via rdp I was in control panel > firewall and I noticed that there was a message saying 'use ...
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20 views

Cant send large attachments from iOS using Exchange 2013 [duplicate]

Some of my users are having issues sending emails with attachments from iOS devices but the same works fein from desktop versions. There seems to be a link to the size of the attachment, as an example ...
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117 views

Trouble PXE booting Live Linux Distributions from Windows Server

I have been tasked with the project of making Windows Server 2012 r2 PXE boot live Linux distributions using WDS and I'm having trouble. I have a Blade server acting as the WDS, a Sonicwall handling ...
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1answer
39 views

KMS Host has more than the minimum count, but client machines are still not activating

So pretty as the question states, here is some more info: What I have done: 1) I have setup 36 machines (I have more, but just done one lab for now) to point to the KMS Host 2) I have rearmed the ...
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2answers
101 views

Clients unable to access certain websites, pages half loading, intermittent internet

All the PC's on my network are having trouble accessing a certain website (https://frontapp.com/) we need. The main page of the site will load partially, but the text and page will look strange. The ...
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51 views

Server 2012 R2 RRAS Inbound/Outbound Static Filters Not Working

I recently spun up a new Server 2012 R2 VM to use as a PPTP VPN server. The machine is fully patched, and has only the Remote Access role installed. Per standard configuration, the machine has two ...
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1answer
124 views

Does Windows Firewall need to be on to enable PowerShell remoting on Windows 2008/2012 servers?

Does Windows Firewall need to be on to enable PowerShell remoting on Windows 2008/2012 servers? That is, if the Windows Firewall on a 2008/2008 R2/2012 R2 server is turned off can PowerShell remoting ...
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42 views

Multiple sites one one physical windows server

What I have: Domain, registered by GoDaddy (lets imagine that it named mysite.com) AWS EC2 server instance, Windows Server 2012 R2 Static IP address provided by Amazon Elastic IP and assigned to ...
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33 views

OpenVPN - Can not access shared files

I installed OpenVPN as a server on my Windows server (Yeah, really). The configuration looks good. This server get the IP 10.9.8.1 for the VPN tunnel as expected. I also made some tests by installing ...
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25 views

VPN with VMware Player [closed]

I have 2 domains, prod and dev. Dev has a 1 way trust from prod (dev trusts prod, but prod does not trust dev). My host computer (laptop, win7 sp1) is a member of the prod domain and can VPN in for ...