Vm drops connection after re boot.

we have two guests running different hosts.

after a power off or a reboot they will drop the connection after 30 sec.
to get it back up i have to disable the connections in windows (7 and 2012r2) and the re enable it. this lasts but some times, but have stopped again no reason i can find.

I have removed the nics form the guests, re installed the drivers and vm tools.

one is the e1000 nic the other is a vmxnet3.

tested the cable runs

others on the hosts do not have this problem.

the windows 7 was converted from a phy computer the 2012r2 was made from scratch in vmware. the 2012 r2 was the first to show problems days before the conversion on the windows 7 box.
Ronald OdomAsked:
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Bryant SchaperCommented:
I will have to dig around, but you may be best to call support.  I think Windows has a KB on it as well as some hotfixes.
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
Are you using the VMXNET3 interface in the VM?

Make sure VMware Tools is installed to support this interface.

Do not use the E1000 interface, this is for installation of the OS only.

Also what version of ESXi are you using?

Is it the latest version of the product ?
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Ronald OdomAuthor Commented:
we have seen this on both e1000 nics and VMXNET3
tools have been installed and re-installed.
VMware ESXi, 5.5.0, 2456374 (Class) and VMware ESXi, 5.5.0, 2143827 (B class)
(Tried updated ESXi on a suggestion)
the hosts anr 1 cisco C class and a B class with 4 blades

it does not matter what host they are on
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
So this is only Windows 7 and Windows 2012 VMs, or only two VMs, out of many?

Are these new installs or P2Vs?

There is no IP Address conflict or Mac Address conflict?

Are they DHCP or Static ?

What does your networking look like, e.g. vSwitches and Teaming Policy?

is it all hosts ?

You have not exceeded portgroups on vSwitches ?
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Ronald OdomAuthor Commented:
i have only found this on 2 vms so far but i also have not had need/permission to shutdown any other.

the server2012 is a server the was new build in December on VM for a need.  the windows 7 was a P2V for a test.  This just started Monday.

server 2012 is static the windows7 box is DHCP. they are on different vlans.
this has happened on 2 vlans with DHCP and different scopes. one scope the windows7 box was they only device.

Vswitches

no dup MACs or ip address.

i have note exceeded the portgroups
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Dawid FusekVirtualization Expert, Sr B&R, Storage SpecialistCommented:
hmm,

There ware such problem on Win 2008 R2 and Win 7 some years ago, I and some my customers had it, it make me a lot of troubleshooting and search and as I remember problem was in some way composed with 4 "components":
- old and new network drivers
- some windows patches/hotfix and way/order they ware installed
- some old/corruped data in the registry, somewhere on TCP/IP stack
- some specific network configuration (also vSwitches and phisical switches)

It happens mainly on VM's (not on physical servers/PC but sometimes also on physical), also new and P2V'ed, I have such new problematic VM's (Win 2k8 R2 from the same image), but really not remember and can't find what really hepls and how I resolve that issue. I remember that it happens even on IP Address from DHCP and also static address.

there is a long topic on vmware here, it may helps you mate:
https://communities.vmware.com/thread/392185

It was on year 2010-2011 on my lab and 2 customers as I remember, and because it happens in quite same time I link it with some MS hotfix and order of installation of that hotfixes.

regards
NTShad0w
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Ronald OdomAuthor Commented:
I removed the old drivers, updated the OS. reset the IP stack, and remade the Vswitches.
I tried all the fixes in that article that applied.

at this point i am out of idea. If it was just the P2V box the had this problem I would just rebuild it but one of our SAP servers is also having this problem and suddenly.

in truth I am out of ideas.
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
Get it escalated to VMware Support.
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
Do you have Cisco networking ?
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Ronald OdomAuthor Commented:
I sent it to VM support. they have yet to find a fix.
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Ronald OdomAuthor Commented:
Do you have Cisco networking ?

are you referring to the phy network or the nex.1000v
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
Any networking with a Cisco badge?
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Ronald OdomAuthor Commented:
we are running

Cisco switches
Cisco Blades and 1 c class server
Cisco Gateways

the SAN is the only non cisco hardware i use for our VM offering
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Ronald OdomAuthor Commented:
problem not longer occurring , no change.
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Dawid FusekVirtualization Expert, Sr B&R, Storage SpecialistCommented:
Ronald,

what you mean that the "problem stopped on its own"...? its rather rare, describe us please, that you have done exactly.

regards
NTShad0w
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Ronald OdomAuthor Commented:
problem stopped on its own
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