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A recent Microsoft update (deployed as KB 2732673, KB 2775511, or KB 2824408) may result in data corruption when using ArcGIS on a Windows 7 system and writing data to remote data storage on a Windows Vista, 7, 2008/2008 R2, or 2012 system. This data corruption appears as truncation of a write request and has shown up in file geodatabases and shapefiles.

Microsoft has acknowledged the problem, identified the affected component as RDBSS.sys, and provided further details.How Microsoft Made These Updates Available

KB 2732673 and KB 2824408 are hotfixes to address specific issues. The KB 2775511 update is a cumulative update that is available exclusively at Because it is available only through the Windows update catalog, the KB 2775511 update is not considered a security update by Microsoft and is not being deployed broadly.

For further information and updates, please see Esri Knowledge Base article 41119.
Having trouble copying an ArcGIS Viewer for Silverlight application from one machine to another? I would like to share with you how to transfer ArcGIS Viewer for Silverlight applications between machines.

Silverlight Viewer applications are not recognized by the Application Builder Home page if the applications are copied from another machine. To transfer ArcGIS Viewer for Silverlight applications from one machine (Computer A) to another (Computer B), follow the steps below.

  1. On Computer B, download the ArcGIS Viewer for Silverlight application. Refer to the Help documents below for the system requirements and installation guide:
  2. On Computer A , create a backup copy of the Builder and Apps folder. The default location for these folders is C:\inetpub\wwwroot.
  3. On Computer A, open the Apps folder and copy the application to migrate (see the folder, "test", in our example below).
  4. On Computer B , place the copy of the application, "test", in the Apps folder. The default location for this folder is C:\inetpub\wwwroot.
  5. On Computer B, create a dummy application in the Application Builder and name it "test1" as in our example below.
  6. Deploy and save the application.

7. On Computer B, navigate to C:\inetpub\wwwroot\Builder\App_Data and open sites.xml in Notepad.

8. Replace the tags that contain the dummy application name (e.g. test1) with the name of the old application (e.g. test) and save the file.

9. On Computer B, open Application Builder. The old application (e.g. test) is displayed in the Application Builder Home page.

10. On Computer B, delete the dummy application (e.g. test1) from the Apps folder.

Additional References

Quick Start guide to the ArcGIS Viewer for SilverlightPhoebe H. - Server Support Analyst

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