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Sign-in & Login Problems

How to Fix Safari Client Request Loop Error When Signing In to Office.com

Tauseeq MagsiTauseeq Magsi Oct 21, 2026 868 views

Question details

The user is experiencing a continuous client request loop error preventing them from accessing their Office.com account via the Safari browser.

How to Fix the Safari Client Request Loop Error When Signing In to Office.com
Product
Office.com
Device & OS
iOS 16.3.1 (iPad)
Scenario
Attempting to sign in to the Office.com web portal using Safari on an iOS device.
Observed behavior
Safari blocks the login process and displays the error message: "The server terminated an operation because it encountered a client request loop."
Before you start

Before adjusting your browser settings, ensure you have your correct Microsoft account credentials handy, as you will need to re-enter them after clearing your browser data.

Solution 1Recommended

Adjust Safari Privacy Settings and Clear Cache

Disabling Safari's cross-site tracking prevention and clearing outdated website data can resolve authentication cookie blocks that cause login loops.

Safari's strict privacy features can sometimes interfere with Microsoft's multi-step authentication process, causing the server to repeatedly request login cookies until it times out.

1
Disable cross-site tracking

Open the 'Settings' app on your iPad, scroll down the left menu, and tap on 'Safari'. Under the 'Privacy & Security' section, toggle off the switch for 'Prevent Cross-Site Tracking'.

2
Clear browser data

Still within the Safari settings page, scroll down and tap 'Clear History and Website Data'. Confirm the action to remove outdated cache and cookies.

3
Restart Safari and sign in

Force close the Safari app, reopen it, navigate to Office.com, and attempt to sign in again.

Adjust Safari Privacy Settings and Clear Cache
Temporary Measure: You can safely re-enable the 'Prevent Cross-Site Tracking' setting once you have successfully signed into your Office.com account.
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Frequently Asked Questions

Why does Safari say it encountered a client request loop?

This error happens when Safari's privacy settings block the necessary authentication cookies required by Microsoft's login servers. The server continuously attempts to request these cookies, causing the page to reload repeatedly until it throws an error.

Is it safe to disable Prevent Cross-Site Tracking on my iPad?

Yes, it is generally safe to temporarily disable this feature to allow legitimate websites like Office.com to authenticate your login. You can easily turn it back on in your Safari privacy settings once your sign-in is successful.

What should I do if clearing the cache does not fix the Office.com login loop?

If clearing cache and adjusting tracking settings fails, take a screenshot of the complete error message for support reference. Then, switch to a different browser like Chrome or Edge, or use an offline document editor like WPS Office to handle your files.