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Are you using the VMXNET3 interface in the VM?
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Are you using the VMXNET3 interface in the VM?

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No E1000. &nbsp;Others in that group are using the E1000 and did not have an issue.
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No E1000.  Others in that group are using the E1000 and did not have an issue.

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I will replace the NIC. &nbsp;I will have to wait until after hours. &nbsp;I will report the results.
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I will replace the NIC.  I will have to wait until after hours.  I will report the results.

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Andrew, <br />
<br />
You need to change your name to vm guru! &nbsp;That worked, but I wonder why the other servers with the E1000 did not break.
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Andrew,

You need to change your name to vm guru!  That worked, but I wonder why the other servers with the E1000 did not break.

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Many Thanks<br />
<br />
VM Guru! (actually Savant!)
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<div class="content wysiwyg-content">
We have four hosts in a cluster. &nbsp;Yesterday I moved one NIC from each host on the vmnetwork to a new switch. &nbsp;All was well. &nbsp;On one host, one of the guests fell off the network (could not ping it). &nbsp;I vmotioned it to another host and it started working. &nbsp;Put it back on the original host and it stopped. &nbsp; There are four other guests on the same distributed switch and they had no issues. &nbsp;I also rebooted the guest, no luck.<br />
<br />
We are running VMware 5.1 update 2a. &nbsp;The guest is 2008R2.<br />
<br />
Any help is greatly appreciated.
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We have four hosts in a cluster.  Yesterday I moved one NIC from each host on the vmnetwork to a new switch.  All was well.  On one host, one of the guests fell off the network (could not ping it).  I vmotioned it to another host and it started working.  Put it back on the original host and it stopped.   There are four other guests on the same distributed switch and they had no issues.  I also rebooted the guest, no luck.

We are running VMware 5.1 update 2a.  The guest is 2008R2.

Any help is greatly appreciated.

VMguest no network connection on one host in cluster

Windows Server 2008 and Windows Server 2008 R2, based on the Microsoft Vista codebase, is the last 32-bit server operating system released by Microsoft. It has a number of versions, including including Foundation, Standard, Enterprise, Datacenter, Web, HPC Server, Itanium and Storage; new features included server core installation and Hyper-V.

Windows Server 2008

VMware, a software company founded in 1998,  was one of the first commercially successful companies to offer x86 virtualization. The storage company EMC purchased VMware in 1994. Dell Technologies acquired EMC in 2016. VMware’s parent company is now Dell Technologies.

VMware has many software products that run on desktops, Microsoft Windows, Linux, and macOS, which allows the virtualizing of the x86 architecture.  Its enterprise software hypervisor for servers, VMware vSphere Hypervisor (ESXi), is a bare-metal hypervisor that runs directly on the server hardware and does not require an additional underlying operating system.