PI Software Development Kit (PI SDK) x64 SP1 Patch by OSIsoft, LLC is a maintenance update for the 64-bit PI SDK, the COM-based client library used to build and integrate applications with the PI Data Archive. This patch delivers cumulative fixes that enhance reliability, security, and compatibility with supported Windows platforms and PI System components. It does not change the public API or introduce new features, helping ensure backward compatibility with existing PI SDK–based applications and scripts.
Designed for developers and administrators who rely on PI SDK, the patch updates core binaries and COM registrations. Installation typically requires an existing PI SDK x64 SP1 installation and administrator privileges. OSIsoft recommends testing in a nonproduction environment, backing up critical configurations, and reviewing the official release notes before deployment. For new development, consider OSIsoft’s newer client technologies—such as the PI AF SDK or PI Web API—while applying this patch to keep legacy PI SDK solutions stable and supported.
PI Software Development Kit x64 SP1 Patch is developed by OSIsoft, LLC. The most popular version of this product among our users is 1.4.
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