Realtime Monitoring of Virtual Machine Controller

Hello @all
With the Kernel Release 190 in NetWeaver 7.00, there is an new function for VMC available. (See Note 1153024). The VM Container writes a local file VMCavailable.log in which the availability of the VMC for external tools is logged.
Is it possible to monitor the Avialbility of the VMC in "real time "with an external Log File??
We use SAP E-Commerce with configable products. Without vmc, we cannot configure these products. We monitor the whole R/3 System, but VMC Resets or Errors are not alertet. We get no usable data from the monitoring via RZ20.
Edited by: Frank Keusgen on Sep 7, 2009 4:05 PM

Hi Mark,
I used this Log for daily system checks and troubleshooting. But I need an Alerting outside working hours. VMC Problems are not visible until the Enduser gets an Exception in the webshop.
Regards Frank

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Monitoring Oracle Virtual Machine for Solaris servers and LDOMs

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Thank you in advance.

I had the same issue. Upgrading Virtual box from 4.1.16 to 4.1.20 solved the problem.

[vmware] Virtual machine communication interface failed

hello,
on a fresh install of archlinux, i have installed vmware workstation 11.0 but when i execute this command :
vmware-modconfig --console --install-all
i have this error
Virtual machine communication interface failed
full log
vmware-modconfig --console --install-all
Stopping VMware services:
VMware Authentication Daemon done
VM communication interface socket family done
Virtual machine communication interface done
Virtual machine monitor done
Blocking file system done
make : on entre dans le répertoire « /tmp/modconfig-sc9HDC/vmmon-only »
Using kernel build system.
/sbin/make -C /lib/modules/3.17.4-1-ARCH/build/include/.. SUBDIRS=$PWD SRCROOT=$PWD/. \
MODULEBUILDDIR= modules
make[1] : on entre dans le répertoire « /usr/lib/modules/3.17.4-1-ARCH/build »
CC [M] /tmp/modconfig-sc9HDC/vmmon-only/linux/driverLog.o
CC [M] /tmp/modconfig-sc9HDC/vmmon-only/linux/driver.o
CC [M] /tmp/modconfig-sc9HDC/vmmon-only/linux/hostif.o
CC [M] /tmp/modconfig-sc9HDC/vmmon-only/common/memtrack.o
CC [M] /tmp/modconfig-sc9HDC/vmmon-only/common/apic.o
CC [M] /tmp/modconfig-sc9HDC/vmmon-only/common/hashFunc.o
CC [M] /tmp/modconfig-sc9HDC/vmmon-only/common/vmx86.o
CC [M] /tmp/modconfig-sc9HDC/vmmon-only/common/cpuid.o
/tmp/modconfig-sc9HDC/vmmon-only/linux/driver.c:1332:1: attention : always_inline function might not be inlinable [-Wattributes]
LinuxDriverSyncReadTSCs(uint64 *delta) // OUT: TSC max - TSC min
^
CC [M] /tmp/modconfig-sc9HDC/vmmon-only/common/task.o
CC [M] /tmp/modconfig-sc9HDC/vmmon-only/common/comport.o
CC [M] /tmp/modconfig-sc9HDC/vmmon-only/common/phystrack.o
CC [M] /tmp/modconfig-sc9HDC/vmmon-only/vmcore/moduleloop.o
LD [M] /tmp/modconfig-sc9HDC/vmmon-only/vmmon.o
Building modules, stage 2.
MODPOST 1 modules
CC /tmp/modconfig-sc9HDC/vmmon-only/vmmon.mod.o
LD [M] /tmp/modconfig-sc9HDC/vmmon-only/vmmon.ko
make[1] : on quitte le répertoire « /usr/lib/modules/3.17.4-1-ARCH/build »
/sbin/make -C $PWD SRCROOT=$PWD/. \
MODULEBUILDDIR= postbuild
make[1] : on entre dans le répertoire « /tmp/modconfig-sc9HDC/vmmon-only »
make[1]: « postbuild » est à jour.
make[1] : on quitte le répertoire « /tmp/modconfig-sc9HDC/vmmon-only »
cp -f vmmon.ko ./../vmmon.o
make : on quitte le répertoire « /tmp/modconfig-sc9HDC/vmmon-only »
make : on entre dans le répertoire « /tmp/modconfig-sc9HDC/vmnet-only »
Using kernel build system.
/sbin/make -C /lib/modules/3.17.4-1-ARCH/build/include/.. SUBDIRS=$PWD SRCROOT=$PWD/. \
MODULEBUILDDIR= modules
make[1] : on entre dans le répertoire « /usr/lib/modules/3.17.4-1-ARCH/build »
CC [M] /tmp/modconfig-sc9HDC/vmnet-only/driver.o
CC [M] /tmp/modconfig-sc9HDC/vmnet-only/hub.o
CC [M] /tmp/modconfig-sc9HDC/vmnet-only/userif.o
CC [M] /tmp/modconfig-sc9HDC/vmnet-only/netif.o
CC [M] /tmp/modconfig-sc9HDC/vmnet-only/bridge.o
CC [M] /tmp/modconfig-sc9HDC/vmnet-only/procfs.o
CC [M] /tmp/modconfig-sc9HDC/vmnet-only/smac_compat.o
CC [M] /tmp/modconfig-sc9HDC/vmnet-only/smac.o
CC [M] /tmp/modconfig-sc9HDC/vmnet-only/vnetEvent.o
CC [M] /tmp/modconfig-sc9HDC/vmnet-only/vnetUserListener.o
LD [M] /tmp/modconfig-sc9HDC/vmnet-only/vmnet.o
Building modules, stage 2.
MODPOST 1 modules
CC /tmp/modconfig-sc9HDC/vmnet-only/vmnet.mod.o
LD [M] /tmp/modconfig-sc9HDC/vmnet-only/vmnet.ko
make[1] : on quitte le répertoire « /usr/lib/modules/3.17.4-1-ARCH/build »
/sbin/make -C $PWD SRCROOT=$PWD/. \
MODULEBUILDDIR= postbuild
make[1] : on entre dans le répertoire « /tmp/modconfig-sc9HDC/vmnet-only »
make[1]: « postbuild » est à jour.
make[1] : on quitte le répertoire « /tmp/modconfig-sc9HDC/vmnet-only »
cp -f vmnet.ko ./../vmnet.o
make : on quitte le répertoire « /tmp/modconfig-sc9HDC/vmnet-only »
Starting VMware services:
Virtual machine monitor done
Virtual machine communication interface failed
VM communication interface socket family done
Blocking file system done
Virtual ethernet done
VMware Authentication Daemon done
Unable to start services
[root@hulk vmware-root]# ls
vmware-818.log vmware-authdlauncher-2058.log vmware-vmis-1888.log
vmware-apploader-1976.log vmware-vmis-1407.log vmware-vmis-1910.log
vmware-apploader-818.log vmware-vmis-1429.log
[root@hulk vmware-root]# chown gael:users *
[root@hulk vmware-root]# chown -R gael:users ./
[root@hulk vmware-root]# modprobe vmci
modprobe: FATAL: Module vmci not found.
[root@hulk vmware-root]# vmware-modconfig --console --install-all -v
/usr/lib/vmware/bin/vmware-modconfig-console: invalid option -- 'v'
Stopping VMware services:
VMware Authentication Daemon done
VM communication interface socket family done
Virtual machine communication interface done
Virtual machine monitor done
Blocking file system done
make : on entre dans le répertoire « /tmp/modconfig-KdpHql/vmmon-only »
Using kernel build system.
/sbin/make -C /lib/modules/3.17.4-1-ARCH/build/include/.. SUBDIRS=$PWD SRCROOT=$PWD/. \
MODULEBUILDDIR= modules
make[1] : on entre dans le répertoire « /usr/lib/modules/3.17.4-1-ARCH/build »
CC [M] /tmp/modconfig-KdpHql/vmmon-only/linux/driverLog.o
CC [M] /tmp/modconfig-KdpHql/vmmon-only/linux/driver.o
CC [M] /tmp/modconfig-KdpHql/vmmon-only/linux/hostif.o
CC [M] /tmp/modconfig-KdpHql/vmmon-only/common/memtrack.o
CC [M] /tmp/modconfig-KdpHql/vmmon-only/common/apic.o
CC [M] /tmp/modconfig-KdpHql/vmmon-only/common/hashFunc.o
CC [M] /tmp/modconfig-KdpHql/vmmon-only/common/vmx86.o
CC [M] /tmp/modconfig-KdpHql/vmmon-only/common/cpuid.o
/tmp/modconfig-KdpHql/vmmon-only/linux/driver.c:1332:1: attention : always_inline function might not be inlinable [-Wattributes]
LinuxDriverSyncReadTSCs(uint64 *delta) // OUT: TSC max - TSC min
^
CC [M] /tmp/modconfig-KdpHql/vmmon-only/common/task.o
CC [M] /tmp/modconfig-KdpHql/vmmon-only/common/comport.o
CC [M] /tmp/modconfig-KdpHql/vmmon-only/common/phystrack.o
CC [M] /tmp/modconfig-KdpHql/vmmon-only/vmcore/moduleloop.o
LD [M] /tmp/modconfig-KdpHql/vmmon-only/vmmon.o
Building modules, stage 2.
MODPOST 1 modules
CC /tmp/modconfig-KdpHql/vmmon-only/vmmon.mod.o
LD [M] /tmp/modconfig-KdpHql/vmmon-only/vmmon.ko
make[1] : on quitte le répertoire « /usr/lib/modules/3.17.4-1-ARCH/build »
/sbin/make -C $PWD SRCROOT=$PWD/. \
MODULEBUILDDIR= postbuild
make[1] : on entre dans le répertoire « /tmp/modconfig-KdpHql/vmmon-only »
make[1]: « postbuild » est à jour.
make[1] : on quitte le répertoire « /tmp/modconfig-KdpHql/vmmon-only »
cp -f vmmon.ko ./../vmmon.o
make : on quitte le répertoire « /tmp/modconfig-KdpHql/vmmon-only »
make : on entre dans le répertoire « /tmp/modconfig-KdpHql/vmnet-only »
Using kernel build system.
/sbin/make -C /lib/modules/3.17.4-1-ARCH/build/include/.. SUBDIRS=$PWD SRCROOT=$PWD/. \
MODULEBUILDDIR= modules
make[1] : on entre dans le répertoire « /usr/lib/modules/3.17.4-1-ARCH/build »
CC [M] /tmp/modconfig-KdpHql/vmnet-only/driver.o
CC [M] /tmp/modconfig-KdpHql/vmnet-only/hub.o
CC [M] /tmp/modconfig-KdpHql/vmnet-only/userif.o
CC [M] /tmp/modconfig-KdpHql/vmnet-only/netif.o
CC [M] /tmp/modconfig-KdpHql/vmnet-only/bridge.o
CC [M] /tmp/modconfig-KdpHql/vmnet-only/procfs.o
CC [M] /tmp/modconfig-KdpHql/vmnet-only/smac_compat.o
CC [M] /tmp/modconfig-KdpHql/vmnet-only/smac.o
CC [M] /tmp/modconfig-KdpHql/vmnet-only/vnetEvent.o
CC [M] /tmp/modconfig-KdpHql/vmnet-only/vnetUserListener.o
LD [M] /tmp/modconfig-KdpHql/vmnet-only/vmnet.o
Building modules, stage 2.
MODPOST 1 modules
CC /tmp/modconfig-KdpHql/vmnet-only/vmnet.mod.o
LD [M] /tmp/modconfig-KdpHql/vmnet-only/vmnet.ko
make[1] : on quitte le répertoire « /usr/lib/modules/3.17.4-1-ARCH/build »
/sbin/make -C $PWD SRCROOT=$PWD/. \
MODULEBUILDDIR= postbuild
make[1] : on entre dans le répertoire « /tmp/modconfig-KdpHql/vmnet-only »
make[1]: « postbuild » est à jour.
make[1] : on quitte le répertoire « /tmp/modconfig-KdpHql/vmnet-only »
cp -f vmnet.ko ./../vmnet.o
make : on quitte le répertoire « /tmp/modconfig-KdpHql/vmnet-only »
Starting VMware services:
Virtual machine monitor done
Virtual machine communication interface failed
VM communication interface socket family done
Blocking file system done
Virtual ethernet done
VMware Authentication Daemon done
Unable to start services
thanks for your help

Also having the same problem
dustin ~ $ sudo vmware-modconfig --console --install-all
[sudo] password for dustin:
Stopping VMware services:
VMware Authentication Daemon done
VM communication interface socket family done
Virtual machine communication interface done
Virtual machine monitor done
Blocking file system done
make: Entering directory '/tmp/modconfig-KZzuso/vmmon-only'
Using kernel build system.
/sbin/make -C /lib/modules/3.18.4-1-ARCH/build/include/.. SUBDIRS=$PWD SRCROOT=$PWD/. \
MODULEBUILDDIR= modules
make[1]: Entering directory '/usr/lib/modules/3.18.4-1-ARCH/build'
CC [M] /tmp/modconfig-KZzuso/vmmon-only/linux/driverLog.o
CC [M] /tmp/modconfig-KZzuso/vmmon-only/linux/driver.o
CC [M] /tmp/modconfig-KZzuso/vmmon-only/linux/hostif.o
CC [M] /tmp/modconfig-KZzuso/vmmon-only/common/memtrack.o
CC [M] /tmp/modconfig-KZzuso/vmmon-only/common/hashFunc.o
CC [M] /tmp/modconfig-KZzuso/vmmon-only/common/apic.o
CC [M] /tmp/modconfig-KZzuso/vmmon-only/common/vmx86.o
CC [M] /tmp/modconfig-KZzuso/vmmon-only/common/cpuid.o
CC [M] /tmp/modconfig-KZzuso/vmmon-only/common/task.o
CC [M] /tmp/modconfig-KZzuso/vmmon-only/common/comport.o
CC [M] /tmp/modconfig-KZzuso/vmmon-only/common/phystrack.o
CC [M] /tmp/modconfig-KZzuso/vmmon-only/vmcore/moduleloop.o
/tmp/modconfig-KZzuso/vmmon-only/linux/driver.c:1332:1: warning: always_inline function might not be inlinable [-Wattributes]
LinuxDriverSyncReadTSCs(uint64 *delta) // OUT: TSC max - TSC min
^
LD [M] /tmp/modconfig-KZzuso/vmmon-only/vmmon.o
Building modules, stage 2.
MODPOST 1 modules
CC /tmp/modconfig-KZzuso/vmmon-only/vmmon.mod.o
LD [M] /tmp/modconfig-KZzuso/vmmon-only/vmmon.ko
make[1]: Leaving directory '/usr/lib/modules/3.18.4-1-ARCH/build'
/sbin/make -C $PWD SRCROOT=$PWD/. \
MODULEBUILDDIR= postbuild
make[1]: Entering directory '/tmp/modconfig-KZzuso/vmmon-only'
make[1]: 'postbuild' is up to date.
make[1]: Leaving directory '/tmp/modconfig-KZzuso/vmmon-only'
cp -f vmmon.ko ./../vmmon.o
make: Leaving directory '/tmp/modconfig-KZzuso/vmmon-only'
make: Entering directory '/tmp/modconfig-KZzuso/vmnet-only'
Using kernel build system.
/sbin/make -C /lib/modules/3.18.4-1-ARCH/build/include/.. SUBDIRS=$PWD SRCROOT=$PWD/. \
MODULEBUILDDIR= modules
make[1]: Entering directory '/usr/lib/modules/3.18.4-1-ARCH/build'
CC [M] /tmp/modconfig-KZzuso/vmnet-only/driver.o
CC [M] /tmp/modconfig-KZzuso/vmnet-only/hub.o
CC [M] /tmp/modconfig-KZzuso/vmnet-only/userif.o
CC [M] /tmp/modconfig-KZzuso/vmnet-only/netif.o
CC [M] /tmp/modconfig-KZzuso/vmnet-only/bridge.o
CC [M] /tmp/modconfig-KZzuso/vmnet-only/procfs.o
CC [M] /tmp/modconfig-KZzuso/vmnet-only/smac_compat.o
CC [M] /tmp/modconfig-KZzuso/vmnet-only/smac.o
CC [M] /tmp/modconfig-KZzuso/vmnet-only/vnetEvent.o
In file included from include/linux/pci.h:34:0,
from /tmp/modconfig-KZzuso/vmnet-only/compat_netdevice.h:27,
from /tmp/modconfig-KZzuso/vmnet-only/netif.c:43:
include/linux/pci_ids.h:2248:0: warning: "PCI_VENDOR_ID_VMWARE" redefined
#define PCI_VENDOR_ID_VMWARE 0x15ad
^
In file included from /tmp/modconfig-KZzuso/vmnet-only/net.h:38:0,
from /tmp/modconfig-KZzuso/vmnet-only/vnetInt.h:26,
from /tmp/modconfig-KZzuso/vmnet-only/netif.c:42:
/tmp/modconfig-KZzuso/vmnet-only/vm_device_version.h:56:0: note: this is the location of the previous definition
#define PCI_VENDOR_ID_VMWARE 0x15AD
^
CC [M] /tmp/modconfig-KZzuso/vmnet-only/vnetUserListener.o
In file included from /tmp/modconfig-KZzuso/vmnet-only/net.h:38:0,
from /tmp/modconfig-KZzuso/vmnet-only/vnetInt.h:26,
from /tmp/modconfig-KZzuso/vmnet-only/bridge.c:52:
/tmp/modconfig-KZzuso/vmnet-only/vm_device_version.h:56:0: warning: "PCI_VENDOR_ID_VMWARE" redefined
#define PCI_VENDOR_ID_VMWARE 0x15AD
^
In file included from include/linux/pci.h:34:0,
from /tmp/modconfig-KZzuso/vmnet-only/compat_netdevice.h:27,
from /tmp/modconfig-KZzuso/vmnet-only/bridge.c:51:
include/linux/pci_ids.h:2248:0: note: this is the location of the previous definition
#define PCI_VENDOR_ID_VMWARE 0x15ad
^
LD [M] /tmp/modconfig-KZzuso/vmnet-only/vmnet.o
Building modules, stage 2.
MODPOST 1 modules
CC /tmp/modconfig-KZzuso/vmnet-only/vmnet.mod.o
LD [M] /tmp/modconfig-KZzuso/vmnet-only/vmnet.ko
make[1]: Leaving directory '/usr/lib/modules/3.18.4-1-ARCH/build'
/sbin/make -C $PWD SRCROOT=$PWD/. \
MODULEBUILDDIR= postbuild
make[1]: Entering directory '/tmp/modconfig-KZzuso/vmnet-only'
make[1]: 'postbuild' is up to date.
make[1]: Leaving directory '/tmp/modconfig-KZzuso/vmnet-only'
cp -f vmnet.ko ./../vmnet.o
make: Leaving directory '/tmp/modconfig-KZzuso/vmnet-only'
Starting VMware services:
Virtual machine monitor done
Virtual machine communication interface failed
VM communication interface socket family done
Blocking file system done
Virtual ethernet done
VMware Authentication Daemon done
Unable to start services
Now I have the same failed communication interface also
Starting VMware services:
Virtual machine monitor done
Virtual machine communication interface failed
VM communication interface socket family done
Blocking file system done
Virtual ethernet done
VMware Authentication Daemon done
Unable to start services
PS, I have the vmware-patch 11.0.0-1 installed

Hyper-V host fails with "RPC Server unavailable" error when I try to promote Windows Server in virtual machine to a domain controller

Host: Windows Server 2012 R2 with Hyper-V and RRAS (for Internet over NAT)
VM: Windows Server 2012 R2 with installed Active Directory Domain Services
When I open AD DS configuration window (“promote this server to a domain controller”) many services and programs on my host (include Hyper-V, RRAS & Server Manager) fails with RPC Server unavailable error.

Hello Aleksandr,
There wasn't any configuration information, ipconfig /all, network setup, etc. So it's difficult to tell.
More importantly, are you trying to promote the host server? If yes, that is not advised, for one, because it's a Hyper-V server, (not suggested at all), and two, RRAS is installed. RRAS is problematic with any domain controller because it turns it into
a multihomed domain controller.
Active Directory communication fails on multihomed domain controllers
http://support.microsoft.com/kb/272294/
Multihomed DCs (with more than one unteamed NIC or multiple IPs) with DNS, RRAS, iSCSI, Clustering interfaces, management interfaces, backup interfaces, and/or PPPoE adapters - A multihomed DC is not a recommended configuration, however there are ways to
configure a DC with registry mods:
http://blogs.msmvps.com/acefekay/2009/08/17/multihomed-dcs-with-dns-rras-and-or-pppoe-adapters/
7 Reasons not to Make Hyper-V a Domain Controller
http://www.altaro.com/hyper-v/reasons-not-to-make-hyper-v-a-domain-controller/
Domain Controller as Hyper-V host
https://social.technet.microsoft.com/Forums/windowsserver/en-US/4ff14bec-a815-473b-8d2a-33e91e17197b/domain-controller-as-hyperv-host?forum=winserverhyperv
Networking?
I don't know how your networking is setup, whether there are multiple NICs on the host server, if they are teamed, if you have the host interface set to allow the operating system to share administration, or if there are separate interfaces for each. Can
the host OS ping/communicate with the DC virtual machine?
If there are more than one NIC, you have the choice to team the NICs and share the Teamed NICs for the Hyper-V OS and the VMs, or keep them separate where one is devoted for the Hyper-V OS, and one for the VMs.
Hyper-V Server VLAN Network Configuration
https://social.technet.microsoft.com/Forums/windowsserver/en-US/0aa71d2a-ebf9-4a3e-bbf5-94db55339fa2/hyperv-server-vlan-network-configuration?forum=winserverhyperv
Recommendation:
Why not just create another VM DC?
Ace Fekay
MVP, MCT, MCSE 2012, MCITP EA & MCTS Windows 2008/R2, Exchange 2013, 2010 EA & 2007, MCSE & MCSA 2003/2000, MCSA Messaging 2003
Microsoft Certified Trainer
Microsoft MVP - Directory Services
Complete List of Technical Blogs: http://www.delawarecountycomputerconsulting.com/technicalblogs.php
This posting is provided AS-IS with no warranties or guarantees and confers no rights.

Can Hyper-V host join a domain of a virtual machine domain controller on that same host?

Learning about Failover Clustering with Hyper-V. I have two hyper-v nodes(servers). I want to add them to a failover cluster, but it said that the nodes must be in a domain to join failover cluster.
Can I create a domain controller role on a virtual machine hosted on that same node and join that node to the domain?
Can I just create a role on one of the two nodes along with hyper-v role and join the second node to the domain?

You can create
an AD VM and join the Hyper-V host to it in Server 2012 (or Hyper-V Server 2012, the preferred OS for running a Hyper-V Cluster). This did
not work in any previous version of Windows.
This would be a really horrible idea for a production environment, but suitable for a lab/training.
Also, you only need one host/node to form a cluster (though it probably throws errors/warnings if you do)

Windows domain controller in a virtual machine: how dangerous is saving its state for a short period of time?

I have a Windows Server 2012 R2 virtualization cluster. All the hosts are connected to an external storage system, and virtual machines' files are stored on external volumes (CSVs). All the hosts and virtual machines are a part of the same AD domain
(mixed Windows Server 2012 RTM / 2008 R2 domain controllers). All the domain controllers are running in the virtual machines on the hosts of this cluster.
To prevent problems when all the hosts are turned off and then on simultaneously (for example, because of a power failure) all the domain controller VM files has been placed on local disks of the virtualization hosts (not on the Cluster Shared
Volumes). As Hyper-V services don't depend on other Windows Server services (except its networking components), it means that my domain controllers can always start, providing the virtualization host can start at all. However, it also means
that those DCs cannot be (quickly) migrated to other hosts while their current hosts are being rebooted. So if I need to reboot a virtualization host to install new updates, for example, I have to shut down the corresponding DC, reboot the host
and wait for the DC to finish cold boot and come back online. It means some interruption of service for our users, which, in turn, requires me to perform the reboots late in night.
The downtime can be significantly decreased by saving the state of the VM in which the DC is running. However, all the articles I've found on the Internet strongly recommend against it. I'm trying to understand why this recommendation was issued in the first
place. However, I'm unable to find a clear explanation. I've found some statements that saving state of a DC can cause serious AD replication problems because of tombstoning, and that the password of a DC computer account may be changed
while the DC itself stays in the saved state, which could prevent the DC from connecting to the domain after its state has been restored. However, those considerations are non-significant when we discuss a short-time
(5 to 10 minutes) saved state.
I work with AD and virtualization long time, and I fail to see any danger in saving state of a DC for several minutes. In my opinion, after its state has been restored it would simply replicate all the AD changes from other DCs, and that's all.
What's your opinion?
Evgeniy Lotosh
MSCE: Server infractructire, MCSE: Messaging

Hello,
as stated in "http://technet.microsoft.com/en-us/library/virtual_active_directory_domain_controller_virtualization_hyperv(v=ws.10).aspx"
Operational Considerations for Virtualized Domain Controllers
Domain controllers that are running on virtual machines have operational restrictions that do not apply to domain controllers that are running on physical machines. When you use a virtualized domain controller, there are some virtualization software features
and practices that you should not use:
Do not pause, stop, or store the
saved state of a domain controller
in a virtual machine for time periods longer than the tombstone lifetime of the forest and then resume from the paused or saved state.
This may sound as it is supported to store it for shorter times and use it.
BUT recommendation also from the Hyper-V Program manager in
http://blogs.msdn.com/b/virtual_pc_guy/archive/2008/11/24/the-domain-controller-dilemma.aspx recommends against using them.
Also best practices
http://blogs.technet.com/b/vikasma/archive/2008/07/24/hyper-v-best-practices-quick-tips-2.aspx
Best regards
Meinolf Weber
MVP, MCP, MCTS
Microsoft MVP - Directory Services
My Blog: http://blogs.msmvps.com/MWeber
Disclaimer: This posting is provided AS IS with no warranties or guarantees and confers no rights.
Twitter:

Problematic issues in installing backup domain controller on Virtual Machine

Hello,<o:p></o:p>
I have a physical domain controller - windows Server 2012 R2 Standard installed
in my domain environment and this is a first root domain controller.
I have also Hyper-V Server 2012 R2 installed and joined in that domain.
Now I want to install an additional (Backup) domain controller as a virtual
machine hosted on Hyper-V Server. So while promoting VM as a DC all actions and
steps go well but the problem arise when I press the install button at the end
of the promotion - installation gets stuck in the process of writing some
configuration files on first DC and also in the process of replication. Unfortunately
VM does not promote as a DC and it goes to restart.
The error event log with - NETLOGON source is logged on the virtual machine as
well.
Do you have some suggestions with this issue, or experience how to resolve this..
Thanks a lot in advance,
GMG
<o:p></o:p>

Now I want to install an additional (Backup) domain controller
There is no backup DC. All DCs are RW except RODCs.
I would recommend first checking the health status of the existing DC using
dcdiag command. Also, please check the IP settings in use: Please make sure that the existing DC has its primary IP address in use and that public DNS servers are set as forwarders and not in IP settings of the DC. For the new DC, please make sure
that it points to the existing DC as primary DNS server and once promoted you can see the recommendations here to update the configuration: http://social.technet.microsoft.com/wiki/contents/articles/18513.active-directory-replication-issues-basic-troubleshooting-steps-single-ad-domain-in-a-single-ad-forest.aspx
Please also disable temporary all security software in use on the DCs and make sure that needed ports for AD replication and authentication are not blocked or filtered between the DCs.
This posting is provided "AS IS" with no warranties or guarantees , and confers no rights.
Get Active Directory User Last Logon
Create an Active Directory test domain similar to the production one
Management of test accounts in an Active Directory production domain - Part I
Management of test accounts in an Active Directory production domain - Part II
Management of test accounts in an Active Directory production domain - Part III
Reset Active Directory user password

SCOM 2012 RC - SCVMM 2012 RC - Virtual machine manager management group is not getting monitored

Hi All,
I have integrated SCOM 2012 with SCVMM 2012 environment. I could see two strange behaviors. All these instance are running on Windows 2008 R2 + Sp1 OS along with SQL 2008 R2 for database.
1) I could see two instance of VirtualmanagerDB
in the Database State view under the Microsoft SQL Server, out of that
one is showing as monitored and another one is
showing as not monitored. Why it is showing two instance of the same database? How can I remove the not monitored one?
2) In the distributed apps- Virtual machine manager management group is not showing as a monitored item. However the SCVMM server is getting monitored.
I'd appreciate if someone could help me out in understanding and resolving this.
Regards,
Ren.

Hi
I opened up a connect ticket on this on 17th Jan so sorry for not noticing your post earlier. The response was:
Health State dashboard view is targeted to two state views. "Agent Watcher State" and "Agent State". "Agent State" view (view with duplicate entry) is targeted to an abstract class "VMM Agent" which has below child classes.
    VMM Library Agent
    VMM Host Agent
    Guest Agent
For the Dashboard view, we need to taget the view to "Host Agent" not "VMM Agent". When we install VMM, it adds itself as a Library server and that is the reason for duplicate entry (VMM Library Agent).
Cheers
Graham
Regards Graham New System Center 2012 Blog! -
http://www.systemcentersolutions.co.uk
View OpsMgr tips and tricks at
http://systemcentersolutions.wordpress.com/

2012 Virtual Machine Black Screens Whenever Promoting to Domain Controller

I have a brand new 2012 cluster with 2 hyper-v host nodes running Server 2012 (not R2). I have successfully spun up several virtual machines from templates via VMM 2012R2.
I added the AD DS role today to my DC01 server running server 2012 (not R2). Then I promoted it to a domain controller. When it came back up I got the login screen as normal and logged in. Upon login I only see a black screen. I can click ctr-alt-del and
get the typical menu, but only logout responds. Everything else such as Task Manager just goes back to the black screen. Connecting via remote eventvwr and checking logs and events shows the DC Promo was successful; I can verify replication to other DC's etc.
I don't see any problems with this server other than I can't see it after login. RDPing in provides the black screen as well. I am able to log in via safe mode and can see the desktop, but am not sure how to troubleshoot from there. I verified that integration
services were latest and greatest before I promo'd.
I de-promo'd it via server manager on another server 2012 server, then removed the roles and deleted it. I just created a new server and did the same process, only used a remote server manager for DCpromo this time. After reboot I have the identical issue
with a black screen.
Can anyone help?
Peter

Hi Peter,
Based on your description, the following thread also focused on this kind of issue and can be referred to for troubleshooting.
Server 2012 Black Screen on Login
http://community.spiceworks.com/topic/406717-server-2012-black-screen-on-login
Please Note: Since the web site is not hosted by Microsoft, the link may change without notice. Microsoft does not guarantee the accuracy of this information.
Hope it helps.
Best regards,
Frank Shen

Monitor profiling & ICC profile management in VMware virtual machines?

Greetings,
I'm successfully running Photoshop CC in Windows 7 on bare metal PCs. To support that, I profile/calibrate my monitors with Datacolor Spyder4Elite and print with Qimage. Photoshop, Spyder4, and Qimage all create and/or install ICC profiles. Does any/all of that function correctly within virtual machines hosted by VMware Workstation (v9.0.2, specifically)? Datacolor's Spyder4Elite, for example, relies upon periodic reloading of the LUT (Look-Up Table) of the graphics adapter. The other apps I mention ask Windows to use ICC profiles. Can I successfully move all of these workflow elements into virtual machines?
Thanks in advance for your assistance.

No, actually the System Default stayed the same, but the ACER profile showed up in the Devices panel. However, [ ] Use My Settings was NOT checked, implying they found some way to install the profile that's outside the normal configuration settings somewhere between the Advanced and Devices level configuration.
The fix is to check the [ ] Use My Settings box, add the profile one wants to use in the Devices panel, and [Set as Default Profile]. This overrides the setting above.
-Noel

How to enable microsoft system center virtual machine manager Management Pack IP Pool monitoring

How to I enable how to enable IP Pool monitoring in the Microsoft System Center Virtual Machine Manager Management? The IP Pools show up in the IP Address Pool Health dashboard, but the state is "Not Monitored". How to I get these to light up
as monitored?

Hi,
Have you integrated VMM and SCOM?
Hope the links below could be helpful:
Operations Manager Integration and PRO Improvements in SCVMM 2012
http://blogs.technet.com/b/scvmm/archive/2011/04/14/operations-manager-integration-and-pro-improvements-in-scvmm-2012.aspx
Integrating VMM 2012 and OpsMgr 2012
http://blogs.technet.com/b/kevinholman/archive/2012/08/21/integrating-vmm-2012-and-opsmgr-2012.aspx
And please also search for "IP address Pool" under monitors or rules, hope you may find something related there.
Regards,
Yan Li
Please remember to mark the replies as answers if they help and unmark them if they provide no help.

Connecting Virtual Machine to physical Domain Controller

Hello,
I have a Hyper-V environment set up. My virtual machines are on my domain controller. I would like to connect these virtual machines onto the domain controller I am hosting them on. I have tried however I always get the error saying the domain controller
cannot be contacted.
Thanks in advance,
Maksim Richards

http://blogs.technet.com/b/jhoward/archive/2008/06/16/how-does-basic-networking-work-in-hyper-v.aspx is a good article that explains the basics
of Hyper-V networking. What you are describing generally comes down to understanding the basics and getting your virtual networking switch(es) properly configured. When it comes to networking, IP is the same whether using physical or virtual machines.
You have to ensure that you have the proper paths in place that allow the communications to take place.
As for support of Hyper-V on a DC, I've not seen that it is unsupported. Bad idea? Yes. Recommended practice? No. Would I do it? No. Should it work? Absolutely. Supported? I haven't seen a Microsoft
statement on that.
.:|:.:|:. tim

Monitoring Virtual Machine activity

I have been assigned a task of monitoring a ESX server with multiple virtual machines installed at any one time. This server is a hosting platform for a software test environment which is used by multiple users with various OS's and applications under test. My issue is that I need visability into the network traffic passing on the virtual network switch infrastructure to resolve networking issues and between the various testbeds. At the moment I use the promiscous port capability of the virtual switch to gather network flows using Wireshark but analysing pcap files is way too slow and time consuming. Are there any virtual appliances out there that make this task possible?

Hi
After trying a few products to monitor my servers I tried the following and got a version to evaluate. Install was straight foward and I just needed to configure the virtual switch in Promiscous mode. This product combines a traffic analyser and IDS system which has proven to be very usefull to analyse the issues that were causing me so many problems.
http://www.netforttechnologies.com/downloads/free_trial.html
Another bonus was I could configure a number of 'slave' units which allowed me monitor multiple ESX servers from a single central unit. This was very usefull.

Domain Controller Virtual Machine Restore

I would think it would be related to a kerberos issue. Look in the event logs.

Hello Everyone,
In order to upgrade our Hyper-V server's hard drives to SSD, we copied all of our virtual machines to a network drive and copied them back in order to restore them after the upgrade.
The restore went well. I just went to hyper-v and imported the machines. They all started and worked properly.
The issue here is that the Domain Controller was one of those virtual machines and after the restore, I cannot not join any other machine.
I get this error I attached.
This topic first appeared in the Spiceworks Community

Hyper-V virtual machines may not start, and receive the error: Microsoft Emulated IDE Controller (Instance ID {83F8638B-8DCA-4152-9EDA-2CA8B33039B4}): Failed to Power on

I have used the Article ID: 2249906 to try and resove this error. It only started since I have created a dediacted SQL 2008 Server on the network. This is my attempt, so far using icacls:
icacls "C:\Users\Public\Documents\Hyper-V\Virtual hard disks\XYZ-SQL.vhd" /grant "NT VIRTUAL MACHINE
\13101CB0-271Z-4434-9736-E1DE331D316BZ":F
NT VIRTUAL MACHINE\13101CB0-271Z-4434-9736-E1DE331D316BZ: No mapping between account names and security
IDs was done.Successfully processed 0 files; Failed processing 1 files
Any ideas as this is becoming very disruptive to the network as the VM is a DC.
Many Thanks
Paul.B

From your description it sounds as if you have two VMs trying to use the exact same virtual disk. And this is not possible without using differencing disks in between. (it will give the error you describe when trying to power on the second).
Beyond that, I would have expected the configuraiton change to work. Another possibility is simply creating a new VM using the existing virutal disk. This is non-descructive as well and absolutely re-creates all of the VM objects and generates
new security identifiers.
If that does not work, then there is more to this puzzle than has been mentioned here and you will need to provide greater detail.
Brian Ehlert (hopefully you have found this useful) http://ITProctology.blogspot.com
Learn. Apply. Repeat.

Realtime Monitoring of Virtual Machine Controller

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