Patch VMware vCenter Server Appliance 6.x

Short instructions Search for “VC 6.0.0” patch on the download page Download the corresponding ISO files. Upload the ISO files to a VMware storage and mount it to the VCSA virtual appliance. Connect with “root” to the VCSA shall using putty and run the following command: software-packages install –-iso Follow the instructions on the shell. Reboot the virtual appliance… Read more »

Error: sysimage.fault.SSLCertificateError

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Problem You receive the following error message, if you start vSphere Client. Cause The certificate of the vCenter server may have been changed/replaced. You’ll need to re-register vSphere Update Manager with vCenter. Solution Open “VMwareUpdateManagerUtility.exe” in “C:\Program Files (x86)\VMware\Infrastructure\Update Manager”. Enter credentials for the vCenter server and press “Login”. Go to “Re-register to vCenter Server”, enter your credentials again and… Read more »

Backup and restore Shares and NTFS permissions

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Backup shares (GUI) Open Registry Editor (regedit.exe). Open the following registry location: HKLM\SYSTEM\CurrentControlSet\Services\LanmanServer\Shares Right-click “Shares” key and select “Export”. Give it any filename you prefer such as “SharePermissions.reg”. Backup shares (Command) Open command prompt. Type the following command: reg export HKLM\SYSTEM\CurrentControlSet\Services\LanmanServer\Shares SharePermissions.reg Restore shares Double-click the exported file named “SharePermissions.reg” OR Type the following command: reg import SharePermissions.reg Backup NTFS… Read more »

Performing AD Schema Updates

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Disable AD Replication Before you start to update your AD Schema (for example to prepare AD for Installation of Exchange Servers) you should disable AD replication on your AD Schema master. repadmin /options +DISABLE_OUTBOUND_REPL +DISABLE_INBOUND_REPL sc.exe \\ STOP NTFRS sc.exe \\ CONFIG NTFRS START= DISABLED Enable AD Replication repadmin /options -DISABLE_OUTBOUND_REPL -DISABLE_INBOUND_REPL sc.exe \\ CONFIG NTFRS START= AUTOMATIC… Read more »

Consolidate virtual machine disk files fails with “Unable to access file since it is locked”

Problem You may receive the following error message if you try to consolidate disk files of a virtual machine in VMware. Cause One of the virtual disks may be in use by any backup appliance such as “vSphere Data Protection”. To ensure, check all attached disks of the virtual machine, by editing the settings and check if there’s any disk… Read more »

Recreate deleted RODC NTDS connection

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Problem You may have accidentially deleted the RODC NTDS connection, which is typically named “RODC Connection (FRS)”. Even tought deleting this connection is normally not possible without removing the “protect deletion” flag, the object no longer exists. Solution You have two option to recreate the RODC NTDS connection. Demote and repromote the RODC. Manually recreate the NTDS object. Since demoting… Read more »

VDP appliance hangs on startup

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Problem The VMware VDP appliance (VMware Data Protection) hangs on startup at: Starting VDP appliance systems Solutions It’s possible that the appliance only needs more time to startup correctly. I have seen situations where it took about 2 hours (!!) to startup. If the appliance is not correctly starting up after several hours, it may hang. Do the following steps… Read more »

Update HP Intelligent Provisioning

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How to Go to the HP driver and download page of the HP Gen8 server. LINK Select any operating system (Example: Windows Server 2008 R2). Search for “HP Intelligent Provisioning recovery media” and download it. Boot the server from the downloaded Intelligent Provisioning recovery media. You can use iLO for this if you’re a lucky owner of a iLO Advanced… Read more »

Perform a silent upgrade of VMware Tools without restart

Problem You want to update the VMware Tools of a virtual machine without affecting the running machine (no restart). Solution In vCenter, right-click on the virtual machine and choose “Guest” -> “Install/Upgrade VMware Tools”. Put the following parameters into the “Advanced Options” field: Windows /S /v”/qn REBOOT=R” Linux –default