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15 articles
A permissions report covering every item is slow to produce and impossible to act on. Scoping it to broken inheritance and real grants turns it into a working document — here is the PowerShell and the reasoning behind it.
Rajiv Kumar·Jun 7, 2022·5 min read
A form that will not save gives you almost nothing to work with — unless you surface Form.Error. Here are the seven usual causes in diagnostic order, from hidden required fields to person columns that need a record rather than a string.
Rajiv Kumar·Jan 13, 2022·5 min read
External sharing is governed at tenant, site and item level, and the most restrictive setting wins. Here is how to set a sensible ceiling, raise individual sites, and review the guest access that accumulates silently.
Rajiv Kumar·Aug 2, 2021·5 min read
A practical guide to the SharePoint REST API: why $select is not optional, how paging really works, what a request digest is for, and why anything built on ACS authentication stopped working in April 2026.
Rajiv Kumar·Apr 13, 2020·4 min read
CSOM batches work locally and dispatches it on ExecuteQuery — which explains its performance characteristics and its most confusing exception. Here is how to use it well, and what the Azure ACS retirement changed.
Rajiv Kumar·Jan 2, 2019·5 min read
