Questions tagged [vmware-esxi]

VMWare ESXi is an installable/embeddable virtualization platform based around the ESXi Hypervisor.

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High availability without use - Vcenter - Vmware Esxi 5.1

I have about 2 Dell servers with the full license of Vmware Esxi 5.1 , it turns out that during a microsoft audit , they saw that the Vshpere HA box was checked , now they are charging us to buy the ...
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Failed to deploy OVF package. ThrowableProxy.cause A general system error occurred: Transfer failed: Invalid response code: 500

Versions: ESXI: 7.0 Update 2 (build number 17867351) VMware Workstation: 16.1.2 build-17966106 I exported a VM from QKVM (Qnap KVM) and been trying to import it into one of our ESXIs using vCenter, ...
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19 views

Changing vCenter FQDN will affect to connect esxi servers?

I'm planning to change the fqdn (e.g vcenter.abc.com to vcenter.def.com) of vcenter server that connected with three ESXi servers. I want to know if I will change the fqdn with another DNS server in ...
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Vmware Esxi - Old 32bit software performance issue on multi core

I've been going crazy for 2 days now and I'm asking for help. I have a program developed in delphi (early 2000s about) that accesses a firebird v3 database, currently installed on the same machine (...
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28 views

How to interpret the Memory (Top 10) performance chart in vCenter?

I'm trying to interpret the above performance chart from vCenter. The thing is, each of these clusters each has four servers each with 64GB of RAM for a total of 256GB per cluster. What confounds me ...
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27 views

What kind of services does ESXI SLP port advertise to locally connected hosts?

I got enthusiastic about the last exploitations of ESXI CVE-2021-21974 (heap overflow exploitation). After researching the SLP service, which is the weak point in this CVE, I tried to turn it off, ...
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25 views

Network keeps going down after creation of LVM volume on external USB disks

I've got a strange situation happening with a Centos Linux box that's connected to 4 external HDD's and a disk on an NFS share as part of our Veeam Backup array. There are three of these Centos 7 ...
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62 views

Cannot find the vmdk file to convert

I'm tasked to convert some VMWare virtual machines (which I know just a little about) to Hyper-V. I know I have to convert the .vmdk file of VMWare to .vhdx format. The issue is that I can't find the ...
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46 views

Why is the clock out of sync on this VMWare Linux guest?

recently I noticed that the clock on this RHEL system running on a VMWare guest has gone seriously out of sync (uptime is about half a year): $ timedatectl Local time: Sun 2021-11-07 09:54:12 ...
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30 views

What can I do with a custom TCP/IP stack in ESXi?

With custom TCP/IP stack, you get following benefits: Separate Memory Heap. Personalized ARP Table. Personalized Routing Table which helps avoiding routing table conflicts that might appear when many ...
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IPsec on ESXi - How to avoid inputting plaintext crypto keys in command line?

The ESXi's IPsec commands require the encryption/integrity keys be inputted in plaintext from the command line. This is not recommended security practice. The command line history is even logged to /...
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32 views

What's the correct way to set the time on ESXI hosts?

I tried doing it through cli with the following command: esxcli system time set -d 3 -M 11 -y 2021 -H 14 -m 10 -s 0 But after restarting a guest OS (Windows), the time on it resets to the wrong one ...
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25 views

How to use IKE with IPsec in ESXi?

In ESXi, the IPsec command's help indicates it supports IKE but I did not find much information about it. Anyone knows how to use IKE with IPsec in ESXi? [root@fp2-uf01-q3323:~] esxcli network ip ...
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99 views

why a fresh ESXI installation only uses half of my SSD storage?

I got a very weird problem when installing ESXi-7.0 U3: My SSD size is 256GB (or 238GB actually, it doesn't matter) But after installation, login to ESXI, it only shows capacity of 110GB! So how comes ...
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39 views

ESXi on KVM - Can't find network drivers

I'm trying to install a .iso on KVM using virt-install successfully - however from 2 disk images (one Debain, the other ESXi) I am not able to attain network connectivity. Here's some output trying to ...
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30 views

ESXi Host backup including extra vibs

I have a licensed ESXI Host with a couple of extra vibs (Chelsio, NVidia, dell) installed. I also have vcenter standard. More that I like to I discover that I have to reinstall the host, e.g. VMware ...
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Cpu utilization and Cpu load average very high in spite all applications are shutdown

we have a RHEL 7.6 VM machine , server with 16 GIGA RAM and 8 CPU's we notices that CPU utilization is high on this server , and also the CPU load average load average is around - 50 - 60 , and the ...
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42 views

Active Backup for Business external VM

I am currently playing around with "Active Backup for Business" and an esxi Hypervisor hosted EXTERNALLY by "Hetzner", a Cloud provider. My goal is that when one of my servers fail ...
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SSH Host Keys changed after reboot

I noticed something strange on one of our (customers) ESXi (6.7.0). The SSH host keys suddenly changed after a reboot. Not only that, it got created with too open file permissions so nobody could ...
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vcsa 6.7 Scheduled task fails, but runs fine when triggered manually

under VCSA 6.7, I have scheduled one bash script to run every minute. This script cleanup some tables in the db. when I run the script manually, or if I run the cmd mentioned in the script , it works ...
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85 views

disks for a small esx-host: ssd raid5 or hdd raid10? [duplicate]

I am about to replace an ESXi host that runs some 20 VMs (mostly idling). Today around only 800Gb is used on an external iscsi-box, raid6 (total 7Tb). The new server will just simply have internal ...
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139 views

Dell R530 Broadcom NetXtreme tg3 nic limited to 12 MBytes/sec

I have an older Dell R530: Manufacturer Dell Inc. Model PowerEdge R530 CPU 16 CPUs x Intel(R) Xeon(R) CPU E5-2630 v3 @ 2.40GHz Memory 63.78 GB it has 8 NIC's, 3 of which are tg3, Broadcom ...
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51 views

Make ESXi use DHCP DNS

My ESXi host is no longer getting DNS from DHCP server, it caches an IP that was set a very long time ago. esxcli network ip interface ipv4 get returns Name IPv4 Address IPv4 Netmask IPv4 ...
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38 views

Booting BIOS WIM / ISO Capture files in UEFI Mode

We're in the process of upgrading ESXi from an older version that only supported BIOS boot mode and I've got some questions around Windows Images (wim files) that we've captured from those VM's that ...
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61 views

Convert ISO from UEFI Boot Mode to BIOS

I've got a Windows ISO file that I can currently boot from and install with the EFI boot mode, however I run into issues when trying to boot a VM using the same ISO in ESXi 6.5 which only supports ...
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1answer
83 views

Having one ESXI VM serve DHCP addresses for two VLANs?

In our office, I want to create two different networks. Depending on which LAN socket a cable is plugged in, I want the device to receive an IP in a different subnet. I have a server running VMWare ...
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Remote Access ESXI,what should i do for remotely access it at home? [duplicate]

what should i do for remotely access it at home? Im trying to learn a few things about Virtualiztion. Ive been able to install ESXI on a host at office and can access it through vSphere client locally
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38 views

VMware Vcenter with FreeIPA - permissions for group

I have a problem with permissions for groups in vmware. My configuration in Vmware: Identity source type: OpenLDAP Name: FreeIpa Base distinguished name for users: cn=users,cn=accounts,dc=freeipa,dc=...
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1answer
50 views

Moving w2016 image from ESXi to KVM gives message "No Bootable Device"

I'm trying to move a windows server 2016 image from ESXi to KVM, but I'm receiving the error "No Bootable Devices" when I try to boot it. Here's the output of the command "virt-...
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35 views

How to get PhysicalLocation disk on Windows 2022 like on Windows 2019 via powershell

On Windows Server 2019 i usage Get-PhysicalDisk | foreach {$_.PhysicalLocation} its return SCSI0. This is exactly what I need. But on Windows Server 2022 its return PCI Slot 160 : Bus 3 : Device 0 : ...
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vCenter in a ESXI host that it manages

We have 2 physical servers (A and B), each with ESXI 7.0 installed. We'd like to manage them with vCenter. Can we install vCenter on one of those servers? Is it advisable?
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194 views

Unable to connect to ESXi NFC (902) from one particular LAN segment

I have an issue with Veeam Backup & Replication backups failing because the Veeam proxy servers cannot connect to the ESXi host over port 902 (NFC). The ESX hosts are on VLAN65 and the Veeam ...
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67 views

VMDK disk became read only & how to avoid such this cases on rhel machines

we have Kafka cluster with RHEL 7.6 , all Kafka are VM machines on one of the Kafka machines , we noticed that sdb disk became read only ( when sda is the OS disk ) mount | grep sdb /dev/sdb on /var/...
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28 views

ESXi v in v setup - distributed switch kills all interhost communication

On all distributed port groups I disabled all security settings and set everything to promiscuous. I've got a setup I built where I have three virtualized ESXi hosts. Their management vmkernels were ...
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1answer
249 views

ESXi installation PXE boot with GRUB on BIOS (not EFI)

all documents mention syslinux/pxelinux as a way to pxeboot ESXi installation, but I'd like to stay with GRUB 2. How to do that? I'm able, of course, to load GRUB 2 via network (i386-pc/core.0 for non-...
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23 views

What is "esxcli network nic attachment add" used for in vSphere 7.0+?

In vSphere 7.0's doc it has a new CLI command: Command: esxcli network nic attachment add Description: Attach one uplink as a branch to a trunk uplink with specified VLAN ID. Options: --branch | -...
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64 views

Something is closing connections in my CentOS VMs - how to best troubleshoot?

I have a setup with 3 VMs (1 application server on CentOS6 and 2 database servers on CentOS7). The last 1-2 weeks we have had issues with timeouts when connecting to the database servers (and between ...
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64 views

Providing cloned virtual environment to multiple clients

I have a virtual environment created with vmware esxi consisting on a ipfire and a internal network with some vms. What would be the best way to clone this environment, on demand, so each client could ...
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47 views

Debian 10 guest freezing on ESXi 6.5

I have an ESXi 6.5. Windows and CentOS guests are running fine but my 3 Debian guests freeze after a moment (4 days to 1 week). Nothing responding, i need to reboot the guest. The logs files of the ...
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85 views

vSphere PortMirror: What does "Source/Destination" mean as in "Remote Mirroring Source" and "Remote Mirroring Destination"?

The following is from vSphere's admin doc: To begin a port mirroring session, you must specify the type of port mirroring session. Procedure Browse to a distributed switch in the vSphere Client ...
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81 views

VM Server goes shutdown automatically after every one Hour in ESXi Host [closed]

My Host server is ESXi where I have three virtual servers. These virtual servers automatically shuts down continuously after one hour.
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Show guest memory utilisation in vCenter

Is it possible to record and show the amount of memory that a Windows guest OS is using in vCenter? In this blog post VMware recommends using the guest OS memory counter for capacity planning. However,...
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58 views

How to patch vmware-esxi via vcenter

Our company is using a single vmware-esxi host (vmware-esxi v6.5) which hasn't been patched since installation. The VMs are a windows server and a vcenter appliance. Using Update Manager I attached ...
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26 views

Changing Vcenter and Esxi IP's

Guys I have a Vcenter with lots of Esxi hosts and all of them have public IP addresses in their vmkernel's (managment) and now we need to change all of them to private IP is there any easy way to do ...
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87 views

rebuild a vmware machine in KVM with an .ova file

I want to run vmware PKS in a KVM virtual machine and have the official .ova file as a starting point. I am aware of the conversion from .vmdk --> .qcow2 basically but am still struggeling with the ...
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34 views

Are there hooks for Windows Updates?

It would be really neat to be able to attach a "blocking hook" to when a Windows Update gets installed so that I could take a snapshot on an ESXi of the machine in question before the update ...
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1answer
80 views

VMWare ESX - Hot add RAM does not showing the new value inside Windows Server 2016

I have VMware ESXi, 6.7.0, 17098360 server in my environment. Recently I tried Hot Add RAM with one of my Microsoft Windows Server 2016 VMs. I successfully increased from 16 GB to 24 GB but inside the ...
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162 views

Reinstalling ESXi - How to retrieve data

I have lost my ESXi password and I want to reinstall the ESXi server. How can I get the Vms up and running after installing ESXi since I am using Physical SAN to store them (including Vcenter). Please ...
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1answer
32 views

ESXi/vSphere how to create nic team

I have essentially zero experience with ESXi/vSphere, sorry in advance if this may sounds obvious for some of you. I have installed ESXi/vSphere 7 on my server and I need to set up a nic team with the ...
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37 views

ESXi Password recovery

I got an issue regarding lost ESXi lost password. I tried a method to reset it using linux by modifying a shadow file but still I cannot login (I created a test server and tried this method it was ...

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