Managment tools may require WMI Namespace to be recreated after SP3 update

If you use the management tools that are dependent upon WMI (such as posdm.exe), the WMI namespaces may need to be recreated after significant OS updates (such as applying SP3).  A temporary fix, can be done by choosing the repair option from the installer; however, the recommended fix, in order to avoid future reoccurrences, is to…

Supported Device Categories

POS for .NET v1.12 support all 36 device categories included in the Unified POS specification as of version 1.12.    IHV may develop a native .NET service object for any of the following device categories: ·         Belt ·         Bill Acceptor ·         Bill Dispenser ·         Biometrics ·         Bump Bar ·         Cash Changer ·         Cash Drawer* ·         CAT…


POS for .NET v1.12 Updated with Improved Plug and Play Support

POS for .NET v1.12 Updated with Improved Plug and Play Support Among other new features, the POS for .NET v1.12 update provides improved Plug and Play support for service object developers. The previous Plug and Play model only worked with devices that were recognized by the Windows® Plug and Play subsystem. Several device types do…

Useful Resources for Developers

Download page:   Team Blog:   POS for .NET Forum:   Usenet Newsgroup:   MSDN Documentation:   Sample Scanner (TechEd 2008 HOL)   Unified POS specification:   Common Control Objects (OPOS):      – Sylvester


Problems with Motorola/Symbol Scanner? Here are a few things to check.

If you are trying to use a Motorola/Symbol scanner with POS for .NET, and you encounter issues, here are a few things to check: 1.       Make sure that the scanner is configured properly.  For scanners such as the 2208 or LS1900 series, it should be configured as “IBM HAND-HELD USB”.  You can configure the scanner…


Installing POS for .NET from Your Installer

Version 1.12 of the installer for POS for .NET is available for download here:   The download from this website contains a self-extracting archive.  Once the archive is downloaded and extracted, you will find the following content:   Setup.exe – This is the installer setup program for POS for .NET. 1033 – This folder…


POS for .NET at TechEd 2008

It was great meeting so many of our customers at Tech Ed 2008.  We had a session that was intended as an introduction to POS for .NET, a hands-on lab for developers, and a booth that demonstrated a possible integration of WePOS and POS for .NET in “the lane of the future.”  For those who…


Share your POS for .NET experience with Microsoft

The Windows Embedded Marketing team is interested in your POS for .NET experience.  If you are interested in sharing your experiences with using POS for .NET, or would like to be considered for a joint case study,  please e-mail     Thanks,    – Sylvester  

Microsoft Point of Service for .NET v1.12

Microsoft Point of Service for .NET v1.12 has now been released and is available for immediate download at the Microsoft downloads site. POS for .NET v1.12 has been updated to be fully compliant with the latest release of the Unified POS specification.  New devices that have been added includes: ·         Belt ·         Electronic Value RW…


Sylvester’s Bio

Sylvester has been writing software since 1978.  He has in-depth experience in both retail and embedded development.   He has been engaged in Unified POS over the years including advocating for and contributing to some of the initial proposals for a .NET implementation of the standard.   He is excited about his role as a developer on…