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Showing posts from August, 2020

Cannot change the password of administrator@vsphere.local from the vSphere Web Client dropdown menu

  Symptoms The Change Password option is greyed out in the dropdown menu when you log in as Administrator@vSphere.local . You cannot change the password as an Administrator. A standard user logging in to the vCenter Single Sign-On (SSO) server from the vSphere Web Client can perform a password change from the dropdown menu. Resolution To resolve this issue, you must change the password for the Administrator. To change the password for the Administrator: Log into the vSphere Web Client with an SSO administrator user Click Administration. Click Users and Groups under Single Sign-On . Right-click Administrator under the Users tab. Click Edit User . Change the password for the Administrator. Note : If the Edit User dialog box for the Administrator@vSphere.local is greyed out, see Cannot change the adm

Configuring the ESXi host with Active Directory authentication

  Purpose This article provides steps to add an ESXi host to an Active Directory domain.  To add an ESXi host using the command line, see  "domainjoin-cli" command to join an ESXi host to an Active Directory Domain Impact / Risks Joining an ESXi hosts to an Active Directory domain with a read-only domain controller (RODC) is unsupported. You can join an ESXi hosts only to an Active Directory domain with a writable domain controller. Resolution To add an ESXi host to the Active Directory using vSphere client : Confirm the ESXi host is synchronizing time with the Active Directory Domain controller. For more information, see Synchronizing ESXi/ESX time with a Microsoft Do

Troubleshooting vpxd service on Windows vCenter Server

  Symptoms You cannot connect to VMware vCenter Server with the vSphere Client. You cannot see the VMware vCenter Server in the inventory in the vSphere Web Client. You see a Microsoft Windows Event error associated with IIS similar to: Event properties - Event 7024, Service Control Manager The VMware VirtualCenter Server service terminated with service-specific error The system cannot find the file specified.. Log Name: System Source: Service Control Event ID: 7024 Level: Error Note : A windows Event ID 1000 may also be reported in relation to this issue.   Connecting to vCenter Server fails with the error: Cannot connect to host server_name : No connection could be made because the target machine actively refused it.   Attempting to start the VMware VirtualCenter Server service fails. You see this error: Windows could not start the VMware VirtualCenter Server service on Local Comput

Resetting the vCenter SSO Administrator Password

 Symptoms SSO administrator is locked or expired. Purpose You must unlock and reset the vCenter Single Sign-On (SSO) password if you have entered an incorrect password for three times and you see the error:   User account is locked. Please contact your administrator. Resolution By default, the account lockout policy is set to unlock after 15 minutes. If the account does not get unlocked even after 15 minutes, you must unlock the account using another session that is still logged into the SSO server or using another user account with SSO administrator privileges.   To unlock/reset the administrator account, see: vSphere 6.x - How to unlock and reset SSO administrator password in vSphere 6.x

Toggling the vCenter Server Appliance default shell

  Purpose This article provides vSphere Administrators steps to toggle between default shells available on the vCentrer Server Appliance (vCSA). Resolution Currently, the vCSA is bundled with these supported shells: BASH Shell Appliance Shell Switching the vCenter Server Appliance 6.x to BASH Shell Log in to the vCenter Server Appliance through SSH. Run this command to enable access the Bash shell: shell.set --enabled true   Type shell and press Enter. In the temporary BASH shell, run this command to permanently configure the default Shell to BASH for Root : chsh -s /bin/bash root   Log out from the BASH Shell. Log in again for the changes to take effect. Note:  For 6.7 please do the below. Log in to the vCenter Server Appliance through SSH. Type shell and press Enter. In the temporary

"Appliance (OS) root password is expired or is going to expire soon" when updating vCenter Server Appliance 6.5/6.7

  Symptoms Updating vCenter Server Appliance 6.5/6.7 from VAMI UI fails with the error: Appliance (OS) root password is expired or is going to expire soon. Please change the root password before installing an update. Changing the password from the VAMI fails with the error: Could not set the password Cause This issue occurs when VAMI is not able to change an expired root password. Resolution To resolve this issue, reset the root password from the vCenter Server Appliance command line: Connect to the vCenter Server Appliance with an SSH session and the root user credentials. Use the following commands to get to the command prompt: shell.set --enable true shell Note :  If

ESXi host experiences PSOD with references to the FCoE module (qfle3f) in the backtrace.

  Symptoms During long run of connection reset cases we encounter All Paths Down (APD) or similar path down scenarios. ESXi 6.5 or 6.7 host experiences PSOD with references to the FCoE module (qfle3f) in the backtrace. PSOD: Panic bora/vmkernel/main/dlmalloc.c:4908 - Corruption in DLMALLOC referencing details ql_fcoe_delayed_wq .   Similar back trace to: 0x451b9fd9bd50:[0x418037d0ba15]PanicvPanicInt@vmkernel#nover+0x439 stack: 0x4302d004c490, 0x4180380a7558, 0x451b9fd9bdf8, 0x0, 0x100000001  0x451b9fd9bdf0:[0x418037d0bc48]Panic_NoSave@vmkernel#nover+0x4d stack: 0x451b9fd9be50, 0x451b9fd9be10, 0x43120f780c20, 0x4180380a7539, 0x132c  0x451b9fd9be50:[0x418037d54363]DLM_free@vmkernel#nover+0x6a8 stack: 0x43120f78acc0, 0x418037d51501, 0x5beea699da51a, 0x418037d15653, 0x0  0x451b9fd9be70:[0x418037d51500]Heap_Free@vmkernel#nover+0x115 stack: 0x0, 0x43120f78acc0, 0x2f, 0x40000000, 0x0  0x451b9fd9bec0:[0x418037c3d987]vmk_SpinlockDestroy@v

Cloning and converting virtual machine disks with vmkfstools

 Purpose This article provides information and instructions on the use of the vmkfstools command to convert virtual machine disks from one type to another. Resolution The vmkfstools command offers the ability to clone virtual machine content and also convert from one virtual machine disk ( .vmdk ) format into another. Note : The host operating system chosen to perform the conversion may not necessarily support running of virtual machines via the output format defined. vmkfstools maintains the possibility of exporting virtual disks for use in other VMware products which support alternative disk formats. To convert a virtual machine disk from one type to another: Shut down the virtual machine. Virtual machine disk files are locked while in-use by a running virtual machine. Log in to the VMware vSphere Management Assistant (vMA).

vSphere Client (HTML5) and vSphere Web Client 6.5 FAQ

  Purpose This provides answers for frequently asked questions with the vSphere Client(HTML5) and vSphere Web Client. Resolution General Questions Supported configurations/recommendations Plug-ins   General Questions What is new with the clients in vSphere 6.5? VMware announced in May 2016 that the Legacy C# Client (aka thick client, desktop client, or vSphere Client) will no longer be available with the vSphere 6.5 release. For more information, see Goodbye vSphere Client for Windows (C#) – Hello HTML5 . The vSphere Web Client (Flash/Flex client) will be the client to manage vCenter Server 6.5 environment with all the features and plugins. In this release, VMware has made significant performance improvements and some user experience improvements to make this client much more functional

Increasing the disk space for the VMware vCenter Server Appliance in vSphere 6.5, 6.7 and 7.0

  Purpose This article provides steps to increase the disk space of a specific VMDK for the vCenter Server Appliance 6.5, 6.7 and 7.0. With the introduction of Logical Volume Management (LVM) in vSphere 6.0 and continued support with vSphere 6.5, 6.7 and 7.0, the vCenter Server disks can be dynamically increased. List of VMDKs for a vCenter Server Appliance 6.5 - Size Mount point and Purpose Note : Resizing the root partition (VMDK1 listed in the KB above) is not supported on 6.5. Please see the vSphere 6.5 Release Notes for more information. Resizing root partition has been added to 6.7 and 7.0. List of VMDKs/Partitions for a vCenter Server Appliance 6.7 - Size Mount point and Purpose   List of VMDKs/Partitions for a vCenter Server 7.0 - Size Mount point and Purpose Note : This KB can be used for the situation like SEAT partition full or any other vCenter appliance partition full.

Moving a virtual machine between ESXi hosts with different processor types

 Purpose This article provides steps to move a VM from one processor type host to another processor type host when: EVC is not available vCenter is not in the environment, vCenter is the VM that needs to be migrated in it's own workload. Resolution Moving a VM when there is shared storage between the hosts Warning : If the virtual machine being migrated is running on a Virtual Distributed Switch (vDS), move the virtual machine to a standard vSwitch before proceeding with these steps.   To move a VM between hosts when there is shared storage: Shut down the VM after making a note of the host on which it is running and the datastore on which it is residing. Both can be found on the Summary tab of the virtual machine. Connect with the Host UI Client directly to the source ESXi host on which the VM was running. Right-cli