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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SQL Server SSMS/Other Processes Allow Login from Untrusted and Unassociated domain

We have a Windows/SQL server development environment which is completely separate from our developers primary systems, including completely separate domains (no forest association, etc.) Our SQL ...
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96 views

Cannot upgrade windows server 2012 core to GUI

Before I start I want to apologize if my english isn't 100% correct since it's not my main language.| So, here is my problem: I have a Windows Server 2012 R2 server with the GUI removed. Including ...
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29 views

DHCP Server Dynamically Updating DNS on Other Server (Both Windows 2012 R2, No AD)

We have had a single Windows Server 2012 R2 server (with no Active Directory) running DNS and DHCP for our main network for a good few months with dynamic DNS updates from DHCP working fine. We have ...
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35 views

Install Intel 10 Gigabit AT2 Server Adapter Server 2012

I'm attempting to install an Intel 10 Gigabit Ethernet AT2 Server Adapter into a machine, running Server 2012 R2. Hardware Information: PCI\VEN_8086&DEV_150B&SUBSYS_A12C8086&REV_01 ...
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54 views

GPO drive mapping fails and other (logon) problems

We recently increased our user amount on our RDS 2012 R2. We are starting to experience some issues. We have 4 Windows 2012 R2 RDS Servers and 1 Domain Controller/File server also running Windows ...
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26 views

Configure/Install the New Blade HP Proliant BL685c G7 in Blade server C7000 G7 server

I have a problem Installing the Blade HP Proliant BL685c G7 into the Blade server C7000 encloser G7. i want to install Windows server 2012 R2 on the new Blade but when i boot from the Bootable USB i ...
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11 views

Virtualised SQL Server Cluster test environment error “originally formatted with sector size 4096”

I am trying to set up an environment for testing a clustered SQL Server upgrade, so I have built a replica here on VMware Workstation 11. I have provisioned 3 servers for this, two Windows Server ...
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17 views

IOS + StrongSwan + Windows RADIUS (NAP)

We've got Windows NAP, Windows Certification Services and many kind of clients wich uses Windows, android, OS X and iOS. All clients have certificates issued Windows CA, and I need that they connect ...
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39 views

Changing DNS server timeout on Domain Controller fixed external DNS resolution failures--why?

I ran into a perplexing blocker at our main site this week, and I'd like to understand the root cause. Process-wise, my troubleshooting broke down and a confusing configuration change fixed my issue. ...
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1answer
26 views

windows server 2012 r2 change node type

I'd like to force a station to be Node Type p-mode instead of hybrid. In regedit: cptr\HLMCurrentControlSet\Services\NetBT\Parameters I don't find the node mode. The goal is to remove UDP port 138 ...
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29 views

HyperV host Gen 1 freeze loading boot image of winpe 10 after PXE

What can be the issue with Hyper-V host that freeze loading the boot image of WinPE 10 after PXE? WinPE would be just stuck at the windows logo and stays there forever. This situation happens only ...
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2answers
28 views

upgrade DC from 2008 to 2012 with exchange 2007 r2 [closed]

currently we have server 2008 domain controller environment with exchange 2007 r2 & office communications server 2007 r2. we are planning to upgrade domain controller to 2012 r2 (both domain and ...
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1answer
38 views

How to tell when a managed service account password last changed

We have a managed service account running a service on a Windows 2012 R2 service. The service has a pattern of failing every 30 or 60 days (sometimes 30 days, sometimes 60 days). One thought we had ...
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49 views

WSUS Client failing to restart automatically w/Failed to delete OSUpgradePendingReboot error

I have a handful of WSUS clients (2008 r2 and 2012 r2) which occasionally fail to reboot after installing updates via WSUS. The event log will indicate that all updates have been installed but the ...
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45 views

One-way connectivity on DC

I have a Windows Server 2012 R2 server as a domain controller and DNS server for the AD-integrated domain. Using the server's IP, the server can be pinged, the default IIS website can be accessed, ...
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1answer
55 views

Batch import local user in Windows Server 2012 R2 with a CSV file

I've got a Windows Server 2012 r2 without domain and active users. No Remote Server Administration Tools (RSAT) are installed and no Csvde command. Is there a way to import users from a csv file ? ...
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1answer
34 views

work folders access denied

I set up work folders in my organization and that was fine until last week. now I have some issue. One of my clients' works fine but mine and the others' can't access to work folders. I have admin ...
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1answer
23 views

Do I need RD Gateway for one Windows server?

I am running one Windows Server on EC2 and have 6 users who will be using remote desktop to login to it and work remotely. Is native RDP security sufficient for this or is it critical to ...
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1answer
24 views

What is the correct method of reverting a Group Policy Object?

As I discover the nuances of Group Policy I haved learned that deleting a GPO does not reverse the changes that were effected by a GPO and those changes remain tattooed (a nice description that I read ...
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24 views

Database locks up with READ_COMMITTED_SNAPSHOT ON after upgrade to SQL 2014

Since we migrated our database from SQL Server 2005 to SQL 2014, we're experiencing repetitive locks in the database. We used to have very few locks in SQL 2005. The READ_COMMITTED_SNAPSHOT is ON in ...
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56 views

Windows update Microsoft.NET Framework 4.6.1 for Windows Server 2012 R2

I have a Windows 2012 server where I am getting this update as an important update. "Microsoft .NET Framework 4.6.1 for Windows Server 2012 R2 for x64 (KB3102467)". I have a .NET MVC application on ...
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91 views

How do I migrate V2 roaming user profiles to V5 on Active Directory?

We recently switched from Windows 7 to Windows 10 clients, now I want to migrate the .V2 profiles to .V5. The USMT seems to work only for local accounts. It seems wrong to me to just copy/rename the ...
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18 views

how to find the number of members in a Windows IP multicast

I am able to find multicast groups by using this in Command Prompt (I found this at serverfault How do I know if IP Multicasting is enabled on my network in Windows?). netsh interface ip show joins ...
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49 views

PXE boot to diskless thin client

I am trying to revive a school's computer lab. The lab's original sponsors discontinued their services and donated all the hardware to the school. The original setup was done on Ubuntu server that ...
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25 views

WSUS Sync Failure in the middle of synchronization

The WSUS sync with upstream server starts fine and all of a sudden fails in the middle of synchronization: Sync failed: IOException: Unable to read data from the transport connection: An existing ...
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27 views

How can I change the selected text highlight color in Server 2012 R2 without applying a high contrast theme?

Problem We have a few programs we run through RemoteApp in our organization. Upon testing them in Server 2012R2, some users have complained of very faint selected text highlights. I have also noticed ...
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59 views

Windows Server 2012 R2 not printing from Task Scheduler

I have a script, written in Python, that generates a PDF document and prints it to network printer. When I execute that script through the cmd line or launch executable .cmd or .bat file, it works ...
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1answer
25 views

err: CONNECTION_RESET in Chrome on form post, but only from outside network

I started getting the following error when sending multi-part form posted data via ajax to a service on my website: net::ERR_CONNECTION_RESET This only happens when a certain combination of ...
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2answers
43 views

Hyper-V guest doesn't see the internet through external virtual switch

I have a Windows Server 2012 R2 Essentials host with 1 NIC and I installed a Hyper-V guest of the same type (Windows Server 2012 R2 Essentials). I added an external virtual switch (allowing management ...
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48 views

Windows Service Bus and Network Load Balancing

I'm looking to build an HA service bus farm, hopefully using Microsoft NLB on Windows Server 2012 R2, something like what is described here. In the output below 9354 belongs to ...
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0answers
149 views

How to fix issues with LetsEncrypt certificate chains on Windows Server?

I've been using LetsEncrypt to generate certificates for my sites on Windows 2012 R2 server. It worked great, until recently when I renewed the certificates. LetsEncrypt made a recent change where ...
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1answer
24 views

“The requested operation requires elevation” when trying to manage printers

Ok, so, I added a handful of people to the local Print Operators group (via an AD group) on a file/print server. I also manually added Print Operators AND the ad group to the security ACL for the ...
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70 views

window server 2012 r2 clustering - shared storage required or not

I just came to know that we can setup a 2 node window failover cluster without using shared storage (SAN) In that case, how does services running on 1 node failover to another when their data is not ...
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1answer
72 views

IIS 8 FTP - how do I find out failed user authentication (and client IP) in the log?

Hello this is a mystery for me. We have an FTP server in our company and some accounts are sometimes locked because of repeated logins with bad password. I am trying to search in the ftp logfile ...
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0answers
24 views

Strange NTFS Permissions issue on Windows Share + Win 8.1 Clients

Server 2012 R2 file server -- the share is exposed over a DFS namespace. I have a group called "share" that all the users are members of. This group has read/write access to the root of the DFS share ...
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1answer
49 views

Use Hyper-V Windows Server machine under Ubuntu

We've got a server running Windows Server 2012 r2 with two guests: another Win Server 2012 and Ubuntu Server. We have recently purchased a couple of Nvidia Titan X GPUs to accelerate deep-learning ...
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11 views

What is the meaning of FastSendRespondFailed?

The problem statement is the rate of RST=1 (in TCP packet) error is high (7% of all packets) in our server (Windows Server 2012 R2). We found that this error was in TCP Handshaking after sending ...
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14 views

List what changes we've made to Windows 2012 R2 server since a certain date?

Is there a way to get a list of Changes which have been made to a Windows 2012 Server, whether it is App install, IIS changes, registry changes, etc, etc?? Does it keep some kind of change audit? ...
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63 views

Hyper-v failover or replication in 2 node cluster

I'm trying to setup some form of a failover cluster between 2 hosts. I want to be able to have high availability on 2 of my VMs. It seems that some form of shared storage is required for this to work ...
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1answer
68 views

Exchange 2013 ECP ,Redirect loop with wildcard cert

Recently we were unable to log into ECP, after successful login we a re redirected to de login prompt, on our two Exchange servers and no configuration change were made, we are using a wildcart cert ...
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1answer
27 views

how to install apache tomcat service on windows server 2012 R2

I'm attempting to install apache-tomcat-6.0.20.exe on windows server 2012 R2. It is being installed on a default amazon aws windows server 2012 R2 image. I am using jre version ...
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1answer
29 views

Installing a Win Srv 2012 R2 Essentials in a Hyper-V VM onto a Win Srv 2012 R2 Essentials host

My task is to install a Win Srv 2012 R2 Essentials instance in a Hyper-V VM onto a Win Srv 2012 R2 Essentials host. I added an external virtual switch, and the VM connects to that. The host computer ...
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19 views

Saslauthd LDAP errors even though it seems to work [closed]

I have a subversion server (svnserve) setup on my Ubuntu. In my svnserve.conf I setup SASL authentication: .... [sasl] ### This option specifies whether you want to use the Cyrus SASL ### library ...
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1answer
31 views

Just completed a domain upgrade 2008 - 2012 R2. IP Address show Unknown for domain controllers on Name Servers tab in DNS in Reverse Lookup Zones

Is there anyway to automate updating all of the Reverse Lookup Zones without having to go through each one and click Edit - Resolve?
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19 views

What is causing the server name to be malformed when publishing a printer to AD?

I have a printer that exists as \\printserver01\printer For whatever reason, when I publish/add it to AD, part of the name gets cut off. For example, it becomes \\printserver0\printer When users go ...
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86 views

SMB2? Traffic Crashing Network Windows Server 2012 R2

I am running a network at a school. The server is running Windows Server 2012 R2. Out of the blue about a week ago, I started experiencing network issues. Examples: Can't log into roaming profile ...
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17 views

Manually Assigning Site Local IPv6 Multicast Address to DHCP Server

According to https://en.wikipedia.org/wiki/IPv6_address#Multicast_addresses, ff05::1:3 is a site local multicast address for All-dhcp-servers. Based on this, when I add the DHCP role to a Windows ...
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12 views

Assigning Prefix-Flexible Static IPv6 Addresses to Servers

Sometimes it's desirable to assign a server a static IPv6 addresses. Hand-configuring a static global unicast IPv6 address is one way to do this but necessitates manual updating any time the address ...
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33 views

installaling window server 2012 r2 - under partitioning disk option

during installation, i was prompted this screen below I realized if i click on new, there will be 2 partitions created, 1 for system reserved 1 for window installation and if i ignore all ...
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1answer
14 views

Forcing Certificate Auto-Reissue

Recently, I used AD Certificate Authority to automatically issue a remote desktop certificate to each client on the local domain. After the auto-issue, I realized that I failed to properly configure ...