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SPSTrust - SharePoint Trust Farm Tool

SPSTrust is a PowerShell script tool to configure trust relationships between SharePoint Server farms — exchanging STS/ROOT certificates, publishing service applications, granting Topology and published service-application permissions, and connecting service application proxies across farms.

It follows the Microsoft guidance Share service applications across farms in SharePoint Server and is compatible with all supported on-premises versions (SharePoint Server 2016 to Subscription Edition).

Key Features

• Declarative, JSON-free configuration via a PowerShell data file (.psd1)
• Idempotent: safe to re-run — it only creates what is missing
• -CleanServices switch to tear down published services and trust
• -ReportOnly read-only audit mode producing a JSON + HTML trust matrix
• Shared logic packaged in the reusable SPSTrust.Common module
• Transcript logging with automatic retention/rotation

Documentation

• 🚀 Getting Started
• ⚙️ Configuration
• 📖 Usage
• 📊 Reports & Audit
• 📦 Release Process

Requirements

• PowerShell 5.1 or later
• CredSSP configured between the servers
• Administrative privileges on the SharePoint servers
• The same farm service account used across all farms being trusted