Windows Vista Activation OEM Certificate (XrML .xrm-ms Digital License) Auto Installer
The Windows Vista OEM Certificate Auto Installer can automatically insert and install the selected manufacturer’s or brand’s OEM certificate (commonly known as digital cert or .xrm-ms XrML Digital License) used for Windows Vista OEM activation, which allows branded computer owner with necessary SLIC table embedded on BIOS to achieve instant activation without contacting Microsoft online or by phone.
Windows Vista OEM Cert Auto Installer is useful for following type of Windows Vista (including Windows Vista SP1) users:
- Who want to clean clean Windows Vista from fresh without the crap from manufacturer by not using OEM Recovery CD.
- You purchase your computer quite some time back, and only has Windows Vista RTM (6000.16386) version of installation CD. You download Windows Vista with SP1 integration DVD (6001.18000), and want to install directly Windows Vista SP1.
- You modify your BIOS to include necessary Windows Market code bit (SLIC table) of one of the OEM brand supported, and now need to install or insert the necessary OEM certification into Windows Vista system as your system is not installed with a OEM version of Windows Vista DVD.
Limitations of Windows Vista OEM Certificate Auto Installer:
- This is not a Windows Vista activation crack. It merely input OEM certification using Microsoft officially provided function (slmgr.vbs). Thus, it does not automatically activate Windows Vista.
- Only useful for owners of OEM branded laptop or desktop computer with factory preinstalled Windows Vista (thus having SLIC table), or those who had hardmod their BIOS to include SLIC table.
- Require and only useful if you manage, or know how to backup or find the OEM SLP (System Lock Pre-installation) product key (so called royalty product key) where the single product key (for each edition) used by OEM on each and every factory pre-installed Windows Vista system. If you want to enter the OEM COA product key that printed on a sticker pasted on computer, the OEM cert is not needed as activation has to be done online or through phone.
Features of Windows Vista OEM Cert Auto Installer:
- Convenient and easy to use. No need to remember any command or searching for .xrm-ms XrML digital license.
- Do not cause any harm, do not install any crap, and do not leave behind any rubbish (except the 31 .xrm-ms digital certs.
- Contains almost-most-complete 31 OEM brands’ XrML digital certificate.
- Full list of OEM brands supported: Acer, ASUS, BenQ, Compaq, Dell, eMachines, Founder, Fujitsu (2 types), Gateway, Gigabyte, Haier, Hasee, HEDY, HP, IBM, Lenovo, LG, MEDION, MSI, NEC, Packard Bell, Samsung, Sharp, Sony, TCL, Toshiba (4 types), and Tsinghua Tongfang .

Download OEMCertAutoInstaller.exe.
Using the auto installer is easy. Simply select a OEM brand that match your computer brand (or string in SLIC table) by typing the alphabet (A to Z) or number (1 to 5), then press Enter. Then the script will automatically calls “slmgr.vbs -ilc” command to install the corresponding .xrm-ms cert for the selected OEM brand. If successful, a dialog box saying “License file oem.xrm-ms installed successfully.”

If your system don’t manage to activate automatically after inserting the correct digital license cert, try to check and change to a valid OEM SLP type product key.
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July 9th, 2009 05:16
i bought a new hp laptop , i looked at the specs and i saw it has a fujitsu hard disk, is it really brand new or its already opened cause it has a fujitsu hard disk? Is fujitsu compatible with hp?
June 21st, 2009 14:20
[...] [...]
May 4th, 2009 13:58
[...] retail version. Which means you cannot use volume licensing product key or OEM product key without OEM digital cert to activate the installed system. For user who prefer VLK-activated corporate version of original [...]
April 30th, 2009 10:24
[...] error that system is not activated with OEM licensing violation, even though product key and OEM digital certificate is [...]
December 30th, 2008 08:44
4 types of Toshiba….
Which one should I choose if I have a Toshiba laptop?
May 12th, 2008 01:36
[...] emulate a BIOS with OEM SLIC information, install corresponding OEM digital license/certificate (OEM .xrm-ms digital cert auto installer) and insert a corresponding royalty OEM SLP product key. All these steps ensure that Windows Vista [...]
May 10th, 2008 14:10
[...] If you download Windows Vista retail version DVD media image, or download pirate leaked RTM edition of Windows Vista, or have MSDN release, you will need to import and install Microsoft signed OEM certificate for corresponding OEM-made computer with BIOS that supports SLA 2.0 and build with SLIC ACPI table from Dell, HP, Lenovo, Asus, Acer, Sony or other manufacturers. OEM cert is a requirement for OEM style permanent Windows Vista activation, where users need not to activate online if they have the correct and valid OEM product key. If you download OEM version of Windows Vista DVD media, the digital certificate is already built-in into the distribution disc. Update: Download 31 Windows Vista activation OEM digital certs with auto installer. [...]