During upgrade my HP DL360 G5 ESXi 5.0 u1 hosts to ESXi 5.1 I received a purple screen with warning message:

The system has found a problem on your machine and cannot continue.
VMware ESXi requires the Execute Disable/No Execute CPU feature to be enabled
Solution:
Restart the host, press F9 to boot in BIOS mode
Advanced Options > Processor Options > No-Execute Memory Protection, then configure: Enabled

More information: VMware
Sander Daems is founder and author of this blog and working as a Lead (Sr.) Consultant by UNICA ICT Solutions. Sander has over 15 years experience in IT, primary focus: virtualization and modern worksplace.
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I wanted to update my templates with the latest VMware Tools and VMXNET3 adapter. After converting a template to a VM I tried to edit the settings. I received the following error:
Call “PropertyCollector.RetrieveContents” for object “propertyCollector” on vCenter Server “VC” failed
Warning message:

The only way I could fix this issue was deleting the VM (already converted it to a VM) from the Inventory and re-add it to the Inventory. Now I was able to edit the VM hardware:

Sander Daems is founder and author of this blog and working as a Lead (Sr.) Consultant by UNICA ICT Solutions. Sander has over 15 years experience in IT, primary focus: virtualization and modern worksplace.
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After some problems with my ESX 4.0 host I want to move some critical VM’s to my ESX 3.5 u4 host.. but my upgraded hardware level (7) is not compatible with my ESX 3.5 u5 host. The following is a step-by-step guide on how to perform this downgrade:
I want to downgrade my Windows 2008 64-bit with XenApp 6 with hardware level 7 to hardware level 4.
Time to downgrade:
Download and start: VMware vCenter Converter Standalone 4.0.1

– Click: Convert Machine
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Sander Daems is founder and author of this blog and working as a Lead (Sr.) Consultant by UNICA ICT Solutions. Sander has over 15 years experience in IT, primary focus: virtualization and modern worksplace.
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Last week I bought a brand new OCZ Agility Series 60 GB SSD for my workstation as OS disk. I started a fresh Windows 7 64-bit installation and made some software tweaks for optimal performance. Down here some of those little settings to maximize your performance.
I already upgraded the firmware to the latest level v.1.5
My computer specs: click here
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Sander Daems is founder and author of this blog and working as a Lead (Sr.) Consultant by UNICA ICT Solutions. Sander has over 15 years experience in IT, primary focus: virtualization and modern worksplace.
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Few days ago I read some information about memory tweaking on my PC / USB ESXi 4.0 whitebox. I got the this hardware configuration at home:
- Asus P6T SE (HCL)
- Intel Core I7 920 2.66 GHz, 4.8 GT/s, 4x 256kb, 8 MB, Boxed
- OCZ Gold 6 GB, PC3-12800, 1600 MHz, 8, Non-ECC, Kit Of 3
- OCZ Fatal1ty 700 Watt, 20+24 Pins, 80 Plus Rating
- Network Intel® PRO/1000 PT Dual Port Server Adapter
- 2x Samsung SpinPoint F1 1 TB, 7200 Rpm, 32 MB, S-ATA II/300
- Antec Gamersgear Twelve Hundred Black
- XFX GeForce GTX 275
- Samsung SH-S222A DVD-writer 22x
- Storage ESXi: cheap NAS, nothing special, only too slow

The OCZ Gold 3 stripes with 2 GB each are default rated on 1066Mhz, but they can communicate with 1600Mhz (triple channel!). Time to change some settings in the bios of my Asus P6T SE motherboard.
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Sander Daems is founder and author of this blog and working as a Lead (Sr.) Consultant by UNICA ICT Solutions. Sander has over 15 years experience in IT, primary focus: virtualization and modern worksplace.
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Guillermo Musumeci has written a good tool for removing HP Proliant Support Pack, also a good tip @ Twitter: “Nice tool before p2v action” indeed, you must remove all driver software before you start p2v .

Download: Here
Sander Daems is founder and author of this blog and working as a Lead (Sr.) Consultant by UNICA ICT Solutions. Sander has over 15 years experience in IT, primary focus: virtualization and modern worksplace.
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Jaja, eindelijk is het dan zover, vanmiddag kwam UPS mijn nieuwe (tweedehandse) server afleveren. Dit pakket kost me denk ik 3 weken ziektewet (40 kilo) maar het resultaat mag er zijn:
HP ProLiant DL585 G1
CPU TYPE : Quad (4) AMD Opteron 64-880 Dual Core
CPU Speed: 8 x 2,4 Ghz
Geheugen : 8 GB DDR PC2100 (8 x 1GB)
Schijven: 2 x 72 GB 2 x 36 GB (15K)
2 x HP NC7170 Dual Port PCI-X Gigabit Adapter
Kon natuurlijk niet wachten met installeren..

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Sander Daems is founder and author of this blog and working as a Lead (Sr.) Consultant by UNICA ICT Solutions. Sander has over 15 years experience in IT, primary focus: virtualization and modern worksplace.
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