I am getting a "Failed while adding Virtual Ethernet switch connections"  when trying to establish a virtual switch over a WiFi connection which I had previously used.  The details say "Ethernet port {GUID} bind failed.  The requested resource is in use. (0x800700AA).  "

Uninstalling and reinstalling the WiFi adapter changed the value of the GUID but still same error message.

There is no vEthernet adapter showing in the adapter properties window. My assumption is that the adapter is hidden from view in the window and / or there is some binding stored in some xml files or registry keys someplace linked to the Virtual Switch that needs to be manually cleaned.  However, I have not yet found where these are. 

Has anyone figured out a good way to resolve this issue?

I have recently taken over for a system administrator and we are having tons of issues with or domain and Hyper-V servers. Oh the joys of taking over someone elses mess. In the event viewer for Virtual1 (Hyper-V Windows 2008 r2, we are receiving an NetBT Error message. I have posted below the nvtstat -n. I have read through many posts that this is how to diagnosis the problem but don't understand what to do from here. Any suggestions for the forum would be much appreciated.

** Edited to add that we are not running WINS

Thanks

C:\Windows\system32>nbtstat -n

Local Area Connection:
Node IpAddress: [192.168.168.30] Scope Id: []

                NetBIOS Local Name Table

       Name               Type         Status
    ---------------------------------------------
    VIRTUAL1       <00>  UNIQUE      Registered
    IDC            <00>  GROUP       Registered
    VIRTUAL1       <20>  UNIQUE      Registered

Local Area Connection 6:
Node IpAddress: [192.168.168.179] Scope Id: []

                NetBIOS Local Name Table

       Name               Type         Status
    ---------------------------------------------
    VIRTUAL1       <00>  UNIQUE      Registered
    IDC            <00>  GROUP       Registered
    VIRTUAL1       <20>  UNIQUE      Registered

Local Area Connection 7:
Node IpAddress: [192.168.168.121] Scope Id: []

                NetBIOS Local Name Table

       Name               Type         Status
    ---------------------------------------------
    VIRTUAL1       <00>  UNIQUE      Registered
    IDC            <00>  GROUP       Registered
    VIRTUAL1       <20>  UNIQUE      Registered

Local Area Connection 8:
Node IpAddress: [192.168.168.193] Scope Id: []

                NetBIOS Local Name Table

       Name               Type         Status
    ---------------------------------------------
    VIRTUAL1       <00>  UNIQUE      Registered
    IDC            <00>  GROUP       Registered
    VIRTUAL1       <20>  UNIQUE      Registered

C:\Windows\system32>

Hi all, I've got a strange issue that i've been trying to resolve. Quick overview: I have a four node hv2012 cluster with four nics in each node set up with two nic teams. One team has two interfaces, one for management and one for the cluster heartbeat network. Team two has three interfaces; one for all the vms, and the other two for interfaces on networks connecting to our SAN. Here's the problem: I create either a Win2012 or Win2008R2 virtual machine and then start the vm and change the vm nic so that it has a static ip address instead of a DHCP address. Sometimes, when the virtual machine reboots, you can see in Hyper-v manager on the networking tab at the bottom of the screen that it gets the static ip address that its been set to, then after about 60 seconds, it gets a second ip address of 169.254.x.y, which is the DHCP Automatic Private IP Address. How can that possibly happen when you set the ip address of a nic to a static ip address? It doesn't happen after every reboot but it will happen again after several reboots. When the 169.254.x.y address gets assigned, the machine can't ping anything until you either disable/enable the nic or reboot again. I've been up and down through the logs and network settings and i just can't figure out why this is happening. Does anyone have any ideas about what might be causing this or what to look for? Any feedback greatly appreciated.

I am experiencing several errors on my san switches on ports that my hyper-v cluster servers are plugged into.

2 SANbox 5802 FC Switch

1 XIO ISE2

2 Dell R710

The two dell servers are part of a hyper-v cluster.  I have two vm's running in the hyper-v cluster that is a guest cluster.

Each server has a dual port qlogic QLE2562 hba.  One port goes to one san switch and one goes to the other.

Each hyper-v server has two VSAN's setup on each and each one is mapped to a different port on the QLE2562.

2 Server 2008 R2 Vm's running guest SQL cluster

Each Guest VM has two Fibre Channel adapters which means that each VM has 4 WWPN's for a total of 8.  By default hyper-v sets the WWNN all to the same address for every fibre channel adapter I add.  Does this matter?  I feel like I should change the WWNN so each of the virtual Fibre Channel adapters should have a unigue WWNN so I should have 2 WWNN for each VM and 4 total of both VM's.  Is this not the case?  Should I leave them the same??  I can't find any documentation about whether the WWNN should be changed.  It seems like I should.

On SAN switchs, specific to the ports the hyper-v servers are connected to I see several of these messages that happen every so often.:

"

"

Anyone have any thoughts to why I am seeing this message and about how the WWNN should be configured?

Thank you for your time.

I am looking at some suggestions for best practice for setting up a hyper V 2008 r2 at a remote location with 5 nics, one for managment vlan and other 4 on the data vlan.  This server will host  2 virtual machines, one is a DC and the other is a member local DHCP server.  The server is setup now with one nic on the management Vlan and the other nic's set to get there ip from the local dhcp server on on the host.   We have the virtual networks setup in Hyper V to point to each of the nics using the "external connection".  The virtual servers 'DHCP and AD" have there own ip set within them.  Issues we are seeing,  when the site looses external connections for a while they cannot get ip addresses from the local dhcp server anymore.

1. NIC on management Vlan -- IP Static -- Physical host

2. NIC on the Data network Vlan -- DHCP linked as a connection "external" in Hyper V  -- virtual server DHCP

3. NIC on the Data network Vlan -- DHCP linked as a connection "external" in Hyper V -- Virtual server domain controller

4. NIC on the Data network Vlan -- DHCP linked as a connection "external" in Hyper V -- extra

5. NIC on the Data network Vlan -- DHCP linked as a connection "external" in Hyper V -- extra

Thanks in advance

Hi everyone,

Been stuck on this one for a few days, having an issue with Pass-Through of an external USB HDD on Hyper-V Core 2012.

Normally I would make the disk offline in the host and add the HDD as an SCSI Hard Disk via Hyper-V Manager manager MMC.

However I have taken all the above steps as per usual, the disk is listed as offline in the Hyper-V core (Diskpart list disk) and I am unable to add the drive. The option to add a physical disk is grayed out in the Managment Console.

Any help would be greatly appreciated, this is my first experience with Hyper-V Host 2K12 so I'm not sure if I'm missing a step.

Cheers,
Anthony

Hi All,

I'm trying to connect to my core from my win7 machine Hyper-v manager, I'm using a simple workgroup-subnet in my office.

I'm always getting "You do not have required permissions..."

I tried adding via the core command line to add my workgroup local user but still same issue.

How do I resolve this kind of issue.

Thanks



Hi Everyone,

I would like to know if it is possible to configure hyper-v and his virtual network to allow a guest machine to be accessible through the internet with one of the secondary ip available on my primary network card. On my primary network card, I have one primary address, and 6 secondary address. I would like to specify that when the hyper-v server is accessed through a specific secondary ip address, to redirect all the trafic to one of my hyper-v guest. I am not sure if this is clear enough, but let me know if you need more explanations.

Thank you,
Louis

Hi,

I setup the Hyper-V 2012 r2 core and setup a VM with win 8 and VMM trying to manage the Hyper-V remotely. I can connect to the Hyper-V from the VMM but getting error when trying to create a virtual HDD. Attached the photo.



Any idea??

HyperV 2012 JBOD architecture design and workloads

But you cannot have both Hyper-V and SoFS on the same hosts.

Please clarify the above statement from the Post

HyperV 2012 JBOD architecture design and workloads

My reason for asking.  Been studying Hyper-V Windows 2012 for a year.  Proposed Cluster;

1. Hardware 3 identical servers. OS's are 2 drives mirrored.  4 JBOD pass through 1 tb drives per server using 1 onboard SAS controller per box. (Intel S2600GZ MB)

All 3 in a Cluster with Host Storage Spaces, SMB.  SOFS for Virtual VHD Disks and VHD Files.  Classic File Services for Metadata access.

2 Virtual Machines per host. These virtual machines are 2 AD DC'S, 1 Exchange Server, 1 Remote Desktop Services Applications Server, 1 SQL Server (Contact Business Manager and Access Dbases) and 1 PSQL Server (Enterpise Product Management.)  The workload traffic is small - 50 users.  Staff also uses Office Suite.

It is my thought to combine the Cluster HA  and the SOFS/CFS Roles.   This post mentioned is the first I have come across stating the Hyper-V and SOFS must be on different hosts.  Please explain the rationale and data to support this statement, as I may need to go back to the drawing board.

Kevin Paulus  17+ years in MS IT and Networking.

I'm trying to get an idea on general best practice with this situation that most are using.. isolation, updating etc..

We have a new offsite hyper-v box that will host vm's for IIS and SQL..

Example boxes:

VSIISDedi02 is the iis box and currently has two virtual nics.. one with a public ip for external access and an internal nic for local (192.168.0.4)..

VSSQLdedi02 has sql on it.. has the same two virtual nics, but currently i have the external nic disabled.. i only enable if i need to do a windows update (not ideal)..

All of this sits behind a firewall which we have no direct access to make changes on.. must contact the hosting company and open ports etc..

What is more typical with this situation.. just to leave the public and private nics enabled and windows updates and external access open? Or to configure a 3rd box that is a firewall server of some kind and or dns?  And finally.. what about joining these two to another box that is a domain controller.. (i think a DC isnt needed)..

Any thoughts on this

I'm guessing a 3rd box thats a firewall externally accessible box, that would allow the sql box for instance, to connect and do windows updates?

Thanks in advance

Tech, the Universe, Everything: http://tech-stew.com

Hello there !

We have a a number of Windows 2008 R2 machines and we wish to provide an encryption mechanism for each Virtual machine.

It's a VMware environment and all the VM files go into NFS drives.

Do you think , Bitlocker will help ?

Is Bitlocker supported on Virtual machines ?

In my opinion , Bitlocker is to safeguard against any "physical" threat to a machine.

But I wanted a second opinion here.

Please help me.

Hi, I have an issue currently where I am trying to Migrate guests VM's from one 2012 10 node cluster to a new 2012 R2 10 Node Cluster.  The setup is as follows :-

• Cluster 1 > SP-VHCCA
  • Using CSV volumes.
  • Server 2012.
  • 8 Nics in 4 teams :
  • Host , Live Migration, Private Cluster, guest NIC

• Cluster 2 > SP-VHCEA
  • Using SMB 3.0 Shares storage from a SOFS Cluster
  • 2012R2
  • 6 Nics in 3 Teams
  • Host, Live Migration & private Cluster , Guest NIC

• Migration Settings are using Credssp
• I have Setup Delegation , but set it too . Trust this computer for delegation to      any service (Kerberos Only)
• Whether this matters or not because I am using Credssp

The Strange thing is this issue seems random, I have has some machines Live Migrate fine, and some fail, the ones that fail always fail. for example I have a SQL Server SV-SQL09 with one IDE VHDX and one SCSI disk, this always fails to migrate.

Migration works fine when the guests are off.

The migration Starts fine, the folder is created on the Share, and it copies over both VHDX files ok. its at the next steps it always fails.  So I am a bit Stuck, not sure what's going on if some work and some fail. !!

My initial thought's is some Network Timing issue as the process is being controlled via SCVMM. I have recently upgraded to SCVMM 2012 R2, and have some other issues with hosts randomly going into needs attention when all the status shows fine winrm is fine too. any help or pointers would be greatly appreciated.

ERROR on SCVMM 2012 R2 :-

Error (12700)
VMM cannot complete the host operation on the SP-VHCC02.astonmartin.int server because of the error: Virtual machine migration operation for 'SV-SQL09' failed at migration destination 'SP-VHCE01.astonmartin.int'. (Virtual machine ID D04D2ECF-E345-480E-9A89-43C443BFA202)

Failed to receive data for a Virtual Machine migration: This operation returned because the timeout period expired. (0x800705B4).
Unknown error (0x8000)

Recommended Action
Resolve the host issue and then try the operation again.

Error on Destination Server :-

Log Name:      Microsoft-Windows-Hyper-V-Worker-Admin
Source:        Microsoft-Windows-Hyper-V-Worker
Date:          12/12/2013 16:13:37
Event ID:      22040
Task Category: None
Level:         Error
Keywords:     
User:          NT VIRTUAL MACHINE\D04D2ECF-E345-480E-9A89-43C443BFA202
Computer:      SP-VHCE01.astonmartin.int
Description:
Failed to receive data for a Virtual Machine migration: This operation returned because the timeout period expired. (0x800705B4).
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
  <System>
    <Provider Name="Microsoft-Windows-Hyper-V-Worker" Guid="{51DDFA29-D5C8-4803-BE4B-2ECB715570FE}" />
    <EventID>22040</EventID>
    <Version>0</Version>
    <Level>2</Level>
    <Task>0</Task>
    <Opcode>0</Opcode>
    <Keywords>0x8000000000000000</Keywords>
    <TimeCreated SystemTime="2013-12-12T16:13:37.390522800Z" />
    <EventRecordID>381</EventRecordID>
    <Correlation ActivityID="{30313436-3631-0014-68C1-36F84DF7CE01}" />
    <Execution ProcessID="2780" ThreadID="9164" />
    <Channel>Microsoft-Windows-Hyper-V-Worker-Admin</Channel>
    <Computer>SP-VHCE01.astonmartin.int</Computer>
    <Security UserID="S-1-5-83-1-3494719183-1208935237-3292760474-44220227" />
  </System>
  <UserData>
    <VmlEventLog xmlns:auto-ns2="http://schemas.microsoft.com/win/2004/08/events" xmlns="http://www.microsoft.com/Windows/Virtualization/Events">
      <ErrorMessage>%%2147943860</ErrorMessage>
      <ErrorCode>0x800705B4</ErrorCode>
    </VmlEventLog>
  </UserData>
</Event>

3 Errors on Source Server

ERROR 1 :-

Log Name:      Microsoft-Windows-Hyper-V-VMMS-Admin
Source:        Microsoft-Windows-Hyper-V-VMMS
Date:          12/12/2013 16:15:14
Event ID:      21026
Task Category: None
Level:         Error
Keywords:     
User:          SYSTEM
Computer:      SP-VHCC02.astonmartin.int
Description:
Virtual machine migration operation for 'SV-SQL09' failed at migration destination 'SP-VHCE01.astonmartin.int'. (Virtual machine ID D04D2ECF-E345-480E-9A89-43C443BFA202)
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
  <System>
    <Provider Name="Microsoft-Windows-Hyper-V-VMMS" Guid="{6066F867-7CA1-4418-85FD-36E3F9C0600C}" />
    <EventID>21026</EventID>
    <Version>0</Version>
    <Level>2</Level>
    <Task>0</Task>
    <Opcode>0</Opcode>
    <Keywords>0x4000000000000000</Keywords>
    <TimeCreated SystemTime="2013-12-12T16:15:14.761364700Z" />
    <EventRecordID>3859</EventRecordID>
    <Correlation />
    <Execution ProcessID="2876" ThreadID="10940" />
    <Channel>Microsoft-Windows-Hyper-V-VMMS-Admin</Channel>
    <Computer>SP-VHCC02.astonmartin.int</Computer>
    <Security UserID="S-1-5-18" />
  </System>
  <UserData>
    <VmlEventLog xmlns:auto-ns2="http://schemas.microsoft.com/win/2004/08/events" xmlns="http://www.microsoft.com/Windows/Virtualization/Events">
      <VmName>SV-SQL09</VmName>
      <VmId>D04D2ECF-E345-480E-9A89-43C443BFA202</VmId>
      <Parameter0>SP-VHCE01.astonmartin.int</Parameter0>
    </VmlEventLog>
  </UserData>
</Event>

Error 2 :-

Log Name:      Microsoft-Windows-Hyper-V-VMMS-Admin
Source:        Microsoft-Windows-Hyper-V-VMMS
Date:          12/12/2013 16:15:18
Event ID:      16300
Task Category: None
Level:         Error
Keywords:     
User:          SYSTEM
Computer:      SP-VHCC02.astonmartin.int
Description:
Cannot load a virtual machine configuration: Cannot create a file when that file already exists. (0x800700B7). (Virtual machine ID D04D2ECF-E345-480E-9A89-43C443BFA202)
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
  <System>
    <Provider Name="Microsoft-Windows-Hyper-V-VMMS" Guid="{6066F867-7CA1-4418-85FD-36E3F9C0600C}" />
    <EventID>16300</EventID>
    <Version>0</Version>
    <Level>2</Level>
    <Task>0</Task>
    <Opcode>0</Opcode>
    <Keywords>0x4000000000000000</Keywords>
    <TimeCreated SystemTime="2013-12-12T16:15:18.761900600Z" />
    <EventRecordID>3860</EventRecordID>
    <Correlation />
    <Execution ProcessID="2876" ThreadID="15740" />
    <Channel>Microsoft-Windows-Hyper-V-VMMS-Admin</Channel>
    <Computer>SP-VHCC02.astonmartin.int</Computer>
    <Security UserID="S-1-5-18" />
  </System>
  <UserData>
    <VmlEventLog xmlns:auto-ns2="http://schemas.microsoft.com/win/2004/08/events" xmlns="http://www.microsoft.com/Windows/Virtualization/Events">
      <VmName>
      </VmName>
      <VmId>D04D2ECF-E345-480E-9A89-43C443BFA202</VmId>
      <ErrorMessage>%%2147942583</ErrorMessage>
      <ErrorCode>0x800700B7</ErrorCode>
    </VmlEventLog>
  </UserData>
</Event>

ERROR 3 :-

Log Name:      Microsoft-Windows-Hyper-V-VMMS-Admin
Source:        Microsoft-Windows-Hyper-V-VMMS
Date:          12/12/2013 16:15:19
Event ID:      19050
Task Category: None
Level:         Error
Keywords:     
User:          SYSTEM
Computer:      SP-VHCC02.astonmartin.int
Description:
'SV-SQL09' failed to perform the operation. The virtual machine is not in a valid state to perform the operation. (Virtual machine ID D04D2ECF-E345-480E-9A89-43C443BFA202)
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
  <System>
    <Provider Name="Microsoft-Windows-Hyper-V-VMMS" Guid="{6066F867-7CA1-4418-85FD-36E3F9C0600C}" />
    <EventID>19050</EventID>
    <Version>0</Version>
    <Level>2</Level>
    <Task>0</Task>
    <Opcode>0</Opcode>
    <Keywords>0x4000000000000000</Keywords>
    <TimeCreated SystemTime="2013-12-12T16:15:19.046940300Z" />
    <EventRecordID>3861</EventRecordID>
    <Correlation />
    <Execution ProcessID="2876" ThreadID="13060" />
    <Channel>Microsoft-Windows-Hyper-V-VMMS-Admin</Channel>
    <Computer>SP-VHCC02.astonmartin.int</Computer>
    <Security UserID="S-1-5-18" />
  </System>
  <UserData>
    <VmlEventLog xmlns:auto-ns2="http://schemas.microsoft.com/win/2004/08/events" xmlns="http://www.microsoft.com/Windows/Virtualization/Events">
      <VmName>SV-SQL09</VmName>
      <VmId>D04D2ECF-E345-480E-9A89-43C443BFA202</VmId>
    </VmlEventLog>
  </UserData>
</Event>

Hello,

I have set up two Hyper-V 2012 R2 servers and set up VM replication. However, when I started the "Enable Replication..." Wizard for a VM, the wizard never asks me what replication interval to use. I have attached a screenshot for reference.

Why would this behavior occur? Also, is there a way to set replication interval using PowerShell?

Any insight you could provide would be most helpful.
Thanks!

What a mouthful.

As short as possible: 

WHAT I'M ATTEMPTING:

I'm trying to build a new NLB cluster for a 2008 R2 SP1 Remote Desktop Services farm. And I'm trying to do it the right way, with multicast igmp, not unicast. 

The two guest VMs with NLB install converge fine. VIP gets this:

IP: 192.168.100.157

MAC: 01-00-5e-7f-64-9d

NLB NIC is on the same VLAN & "Converged switch" in VMM as our mgmt/server traffic (That is to say it's on production VLAN, not on a separate vlan) 

PROBLEM:

Can't ping 100.157. From VM guest itself, from host, or from Cisco 6509 switch. 

Cisco show mac address lookup does not see that MAC anywhere

show ip igmp groups shows not igmp traffic at all. Clearing counters show sno multicast increment.

FURTHERMORE:

Host is setup thusly:

- Dell R810

- 8x1GbE Broadcom 5709c in a Server 2012 LACP/HASH team built via VMM powershell cmdlets

- On the physical switch side, those 8 nics are in a Cisco port-channel, trunked, all VLANs allowed

-  Host has no "physical" nics per se, as in a 2008 R2 hyper-v host. Instead Host has these:

Set-VMNetworkAdapter -ManagementOS -Name "Live Migrate" -MinimumBandwidthWeight 35
Set-VMNetworkAdapter -ManagementOS -Name "MGMT" -MinimumBandwidthWeight 25
Set-VMNetworkAdapter -ManagementOS -Name "CSV" -MinimumBandwidthWeight 40
Set-VMNetworkAdapter -ManagementOS -Name "iSCSI #1" -MinimumBandwidthWeight 0
Set-VMNetworkAdapter -ManagementOS -Name "iSCSI #2" -MinimumBandwidthWeight 0
Set-VMNetworkAdapter -ManagementOS -Name "Aux" -MinimumBandwidthWeight 0

Get-VMSwitch outputs this on the converged v-switch: 

ComputerName                        : My-host
Name                                : My awesome switch
Id                                  : e2377ce3-12b4-4243-9f51-e14a21f91844
Notes                               : 
SwitchType                          : External
AllowManagementOS                   : True
NetAdapterInterfaceDescription      : Microsoft Network Adapter Multiplexor 
                                      Driver
AvailableVMQueues                   : 0
NumberVmqAllocated                  : 0
IovEnabled                          : False
IovVirtualFunctionCount             : 0
IovVirtualFunctionsInUse            : 0
IovQueuePairCount                   : 0
IovQueuePairsInUse                  : 0
AvailableIPSecSA                    : 0
NumberIPSecSAAllocated              : 0
BandwidthPercentage                 : 0
BandwidthReservationMode            : Weight
DefaultFlowMinimumBandwidthAbsolute : 0
DefaultFlowMinimumBandwidthWeight   : 1
Extensions                          : {Microsoft NDIS Capture, Microsoft 
                                      Windows Filtering Platform, Microsoft 
                                      VMM DHCPv4 Server Switch Extension}
IovSupport                          : False
IovSupportReasons                   : {This network adapter does not support 
                                      SR-IOV.}
IsDeleted                           : False

Question:

Aside from a few of my favorite MS MVPs (shout out to WorkingHardInIt for having this same question), I can't find much documentation on employing 2008 R2 NLB on guest VM within a fabric-oriented, VMM-built 2012 Hyper-Visor converged switch (no network virtualization...yet).

Yes I know all about VMM NLB but 1) I'm trying to wedge NLB in after building these VMs without a service template (NLB is the audible, essentially) and 2) MS NLB is configured in providers & I've created requisite VIP templates. 

Even so, I ought to be able to create an NLB cluster without VMM's assistance in this scenario correct? Suboptimal, I know but possible, yes? Essentially I've put to synthetic NICs on each VM, set IPs manually, and assigned them to the same vlan. I can ping each synthetic NIC, but not the cluster IP. 

And yes: these particular vNICs have Mac Address Spoofing enabled. 

Cisco:

I have a TAC case open with Cisco, but they can't quite figure it out either. IGMP Snooping enabled across the switch. And they insist that the old static arp entry to resolve this problem is no longer necessary, that Microsoft now complies with relevant RFCs

Possible SOlution:

Only thing I can think of is flipping MulticastForwarding param below from disabled to enabled. Anybody ever tried it on a converged virtual switch on the Hyper visor? Is my virtual converged switch protecting me from multicast igmp packets? 

PS C:\utilities> Get-NetIPv4Protocol


DefaultHopLimit             : 128
NeighborCacheLimit(Entries) : 1024
RouteCacheLimit(Entries)    : 128
ReassemblyLimit(Bytes)      : 1560173184
IcmpRedirects               : Enabled
SourceRoutingBehavior       : DontForward
DhcpMediaSense              : Enabled
MediaSenseEventLog          : Disabled
IGMPLevel                   : All
IGMPVersion                 : Version3
MulticastForwarding         : Disabled
GroupForwardedFragments     : Disabled
RandomizeIdentifiers        : Enabled
AddressMaskReply            : Disabled

Robert

We're about to put our first virtualized Windows 2012 Hyper-V server on a small business site. Everything went fine with the installation, but I've noticed that when loading up the virtual machines, the process takes hours... For example, I created a new virtual machine with 4GBs of RAM, and installed Windows 7 64-bit edition from an ISO file... It took about two hours. I deleted this virtual machine and tried to create another Windows 7 64-bit virtual machine, this time using the actual DVD and it was just as slow.. EVEN with all other VMs shut down... I have another test copy of Hyper-V for Windows 8 at home that I use for learning, so I tried installing the same Windows 7 64-bit ISO on this workstation and it installed in twenty minutes. And this is just a workstation. 

The server is a HP Proliant ML350 server with 24GBs RAM. If anything I would have expected the server to install the Windows 64-bit VM in twenty minutes, NOT the workstation !! On the face of it the only differences between the two systems is: 

a) The server has two 500GB SAS drives, which are mirrored. There is no mirroring on the Windows 8 workstation.

b) The server had drive is partitioned in to a C: drive (for the host O/S) and a D: drive (for the virtual machines). There is only one partition on the Windows 8 workstation, which holds the operating system and the virtual machines. 

Below is a graphic I drew up which I hope helps you visualise the hard drive setup. 

This is a small site, so they wont pay for additional hard drives. Is there something about the way I have the disks set up that could cause the virtual machines to load slowly? Would it be better NOT to have two partitions on the host? 

Thanks in advance for any advice offered. 

I have two new installs of Server 2012 R2 Standard and have the latest round of patches. I am creating a replica between the two and doing a Planned Failover. If I check the "Reverse the replication direction after failover" or manually do a Reverse Replication, I get the error:

Hyper-V failed to enable reverse replication for '<VM name>': The data is invalid. (0x8007000D).

Event log shows the same with an Event ID 32068.

Have reboot. Have tried multiple times in both directions. I tried this with a brand new VM with no data and also a test VM. These servers are domain joined with Kerboros authentication.

Any ideas on this?