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How to Repair Boot Files in Server 2008 R2
The following procedure is tested to be working on Server 2008 R2 but may also work on other operating systems. Boot the server into recovery mode (or from mounted ISO and select “Repair”) Launch the command prompt and run the following command to repair the MBR bootrec /fixmbr Create a backup of the Boot Configuration…
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How to Export and Import a VMware Virtual Machine using PowerCLI
Run Windows PowerShell as Administrator Install PoweCLI: Install-Module -Name VMware.PowerCLI Alternatively, you can download PowerCLI from here: https://code.vmware.com/tool/vmware-powercli Create a folder where you want to export the virtual machine. I’ll use the OVA format in this example. Note the path to the folder. Run PowerCLI as Administrator Load the PowerCLI module: Import-Module VMware.PowerCLI Connect to…
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How to Add a Virtual Sound Card to a VMware Virtual Machine
Add these entries to the VMX file. Ensure that the PCI slot number is unique. sound.present = “true” sound.allowGuestConnectionControl = “false” sound.virtualDev = “hdaudio” sound.fileName = “-1” sound.autodetect = “true” sound.pciSlotNumber = “34”
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How to Increase Disk and Volume Size on a VMware Virtual Appliance
Should you find that you’re running low on disk space on one of your volumes, SSH into the appliance and run the following commands: shell.set –enabled true (to enable shell access if not already enabled) df -h (to determine which volume is running low in disk space) Increase the disk size vpxd_servicecfg storage lvm autogrow…
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How to Regenerate UCS Default Keyring Certificate
Saw this fault in UCS Manager prior to a firmware upgrade “default Keyring’s certificate is invalid, reason: expired” I didn’t want any issues to interfere with the upgrade – not that this would, but for my piece of mind. So I regenerated it by issuing the following commands. This is a non-intrusive procedure and only…
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“The OVF package is invalid and cannot be deployed” error when deploying OVA or OVF
You may get the following error when trying to import an OVA or OVF file in the vSphere client “The following manifest file entry (line 1) is invalid: SHA256”. This happens because the vSphere client does not support SHA256. To get around this issue the file needs to be converted to use the SHA1 algorithm.…
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How to Export and Import the IP Relay List on an IIS SMTP Virtual Server
Here’s a quick and easy way to export and import the IIS SMTP server configuration. This comes in handy when migrating to a new server and you want to retain the configuration, especially when there are a lot of IP addresses in the relay list. First, install Metabase Explorer on both source and destination server.…
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VMware vCenter 5.5 to 6.5 migration stops at 75% Applying ActiveDirectory Configuration
I ran into this problem during the migration from a Windows vCenter 5.5 to a 6.5 VCSA (vCenter Server Appliance). The installer appeared to be stuck at 75%. However, the installer actually went past that step and completed successfully. I learned this by logging in to the vCenter appliance management page on port 5480.
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Fix broken domain trust relationship
Under certain conditions a domain computer or server may loose its trust relationship with the domain. If that happens domain accounts cannot log in to the machine. Use Powershell to resolve this problem. Use tab completion to save time. Log in to the computer using a local administrator account. Launch an elevated Powershell window (run…
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Quickly Identify AD FSMO Roles Owners
Run this command to list the FSMO role owners: netdom query fsmo