Fix SharePoint 2016 Security Token Service Problems

SharePoint 2016 Security Token Service Problems can interrupt an important SharePoint workflow, but the safest fix is to isolate the affected file, account, or setting before making broad changes. Work on a backup copy and verify each result against the original.

SharePoint 2016 Security Token Service Problems: What the Problem Means

SharePoint 2016 – Securitytokenserviceapplication (Securitytoken.svc) Service Activation is the issue affecting SharePoint. Error shown on browser: "Server Error in '/'…

Quick Answer for SharePoint 2016 Security Token Service Problems

Fix SharePoint 2016 Security Token Service Problems by checking the affected file, application settings, recent changes, and a controlled test case. Start with the smallest reversible test, then apply the confirmed correction to a backup copy.

Common Causes of SharePoint 2016 Security Token Service Problems

• The affected file, account, or application context is incorrect
• A recent update or configuration change altered the workflow
• Permissions, storage, file format, or cached state prevents completion
• The problem is limited to one document and should be tested on a copy

Step-by-Step Fix for SharePoint 2016 Security Token Service Problems

1. Confirm this on every server in the farm
2. Use the following steps to restore the Security Token Service (STS) after the certificate change
3. Verify the STS application pool
4. Confirm STS trust level in IIS
5. Check for STS certificate issues
6. Open Event Viewer → Windows Logs → Application on each SharePoint server

Use WPS Office While the SharePoint Issue Is Being Resolved

WPS Office cannot repair the Microsoft-side cause of SharePoint 2016 Security Token Service Problems. However, it is a free, lightweight, and easy-to-use Microsoft Office alternative for compatible local documents.

1. Install WPS Office from the official website
2. Open a backup copy in Writer, Spreadsheets, Presentation, or PDF as appropriate
3. Create or edit a separate working copy without overwriting the original
4. Save, reopen, and verify formatting, formulas, links, and advanced features

Prevention Tips for SharePoint 2016 Security Token Service Problems

• Keep supported applications and the operating system current
• Maintain versioned backups before repairs, conversions, or account changes
• Use consistent file names, formats, permissions, references, and data types
• Document the verified fix and repeat the same validation after major updates

FAQs About SharePoint 2016 Security Token Service Problems

What commonly causes SharePoint 2016 Security Token Service Problems?

SharePoint 2016 Security Token Service Problems can be caused by the wrong file or account context, outdated settings, permissions, cached state, or a recent application change. Isolate the cause with a backup copy and a controlled test in SharePoint.

What should I try first for SharePoint 2016 Security Token Service Problems?

Start by confirm this on every server in the farm. For SharePoint 2016 Security Token Service Problems, make this change on a backup or controlled test case, then repeat the original action before moving to broader repairs.

Can WPS Office help with SharePoint 2016 Security Token Service Problems?

WPS Office cannot repair the Microsoft-side cause of SharePoint 2016 Security Token Service Problems, but it provides a free, lightweight workspace for creating, opening, editing, and saving compatible local documents while the SharePoint issue is resolved.

How do I verify that SharePoint 2016 Security Token Service Problems is resolved?

Repeat the action that triggered SharePoint 2016 Security Token Service Problems, reopen the saved result in SharePoint, and compare it with the source. Confirm the relevant formatting, permissions, links, calculations, or synchronization before replacing the original.