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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Windows Service “System error 5 has occurred. starting service”

I have a Windows 2012 R2 server which has been happily running a windows service for roughly 3-4 months with various build revisions going into the software. The server configuration hasn't changed ...
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4answers
135 views

Move existing workload to windows 2012 R2 tiered storage, sizing

I have a Hyper-V host that has it's performance bound by the storage subsystem, which is a RAID 10 array. I'd like to add two SSD PCIe cards and use them to create a mirrored fast tier using Windows ...
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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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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
3k views

Security-Kerberos Error, event ID 4

I have two new Domain Controllers on new Forest. Servers have DFS and IIS services installed. Everything seemed to go Ok for a While. After updating servers I got new errors. Now once in hour ...
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43 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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28 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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1answer
91 views

Windows server 2012 r2 network - Cannot access another server

I have a strange situation on a brand new Windows Server 2012 R2 (std) server. I installed it, everything was fine, and I put it in the network. The whole network is with STATIC IPs; no DHCP. ...
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1answer
53 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
66 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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2answers
1k views

Mirrored virtual disk on storage pool can't expand after adding drive on Windows Server 2012 R2

I've recently taken to converting a couple of mirrored RAID1 arrays into one large storage pool. I have two 2TB disks and two 3TB disks, altogether 10TB, which when mirrored should give me 5TB 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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1answer
22 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
23 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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0answers
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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54 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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3answers
40 views

Windows failover cluster with two quorum disk witnesses?

To avoid a single point of failure on the backend SAN system, can I place one quorum witness disk on each site and have the cluster use both?
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85 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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4answers
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Windows Update not working on Windows 2012 R2 Standard

I recently inherited the management of a Windows 2012 server at a remote site. I checked Windows Update and it has not been updating since March. When I tell Windows to check for updates, it acts ...
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1answer
1k views

Remote Desktop Gateway MMC not showing some connections under “Monitoring”

This is a short question: I have a Remote Desktop Gateway server on Windows Server 2012 R2. It is working for users. However, not all of the connections show up under "Monitoring". I can connect in ...
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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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0answers
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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23 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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1answer
23 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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1answer
57 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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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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2answers
698 views

Can't connect to IIS site on network IP

I've got a Server 2012 R2 box with IIS on it. I can't connect to the default website on the server's IP address. It stopped working after I disjoined one domain and joined another (not sure if this is ...
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5answers
520 views

Windows Server - any way to prevent file encryption?

I'm not talking about EFS or Bitlocker here. I'm asking if there's a way to prevent files from being encrypted. I'm referring to some extent to ransomware, but specifically I want the following ...
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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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1answer
2k views

Server 2012 (R2) - mirroring the boot drive… what is the state?

I struggle to find modern documentation here. So far we have been booting our servers from the main RAID controllers. Worked nice, but not we get the first of a new generation that hs in the back 2 ...
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0answers
47 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
141 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
48 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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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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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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2answers
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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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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1answer
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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3answers
426 views

Windows Server 2012 R2 (Hyper-V VMs) - random BSOD

I have a problem. My VMs (Hyper-V) - Windows Server 2012 R2 restart themselves quite often (BSOD: CRITICAL_STRUCTURE_CORRUPTION (109)). Last time it was 11x over weekend. I have new HW, 2x Supermicro ...
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1answer
57 views

Hardware performance penalty for Hyper-V Generation 2 VMs

I have the following configuration: Windows Server 2012 R2 OS installed on baremetal with Hyper-V. OS is installed on RAID1 850 PRO drives. Windows Server 2012 R2 Guest OS Generation 2 VM is located ...
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1answer
31 views
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1answer
26 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
107 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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1answer
27 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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0answers
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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0answers
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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1answer
26 views

Configuring RemoteApp for external users, how does RDS Gateway work?

I feel I must be just missing something obvious here. I have a working RDS deployment with two RDSH hosts. It's not perfectly architected, but this came from a PoC and will be re-engineered in a few ...
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1answer
31 views

windows server on vmware resolution limit

Were using a vm-ware esxi-host on our local server that runs an instance of windows-server 2012-r2. Were remotely controlling over VNC or VMware Remote Console. We want set the server resolution to ...
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79 views

Windows Server 2012 R2 and Visual Studio 2015 Community

So I'm trying to install Visual Studio 2015 Community on my Windows Server 2012 R2 box which will end up being a Jenkins build server. Attempting to do so gives an error saying that I need to install ...
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1answer
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 ...