Software⏱️ 3 min read📅 2026-06-04

How to Fix: CredStore Perform Query error

CredStore is a component in iOS that manages credentials for secure connections. It's used to store and retrieve authentication information, such as certificates and private keys.

Quick Answer: Check if CredStore is enabled on your device or app, and ensure the correct credentials are being provided.

The 'CredStore - performQuery - Error copying matching creds' error occurs when the CredStore, a component of iOS that manages credentials for secure authentication, fails to copy matching credentials. This issue affects users who rely on secure authentication protocols in their apps.

This error can be frustrating as it disrupts app functionality and causes connectivity issues. However, with the right troubleshooting steps, you can resolve this issue and ensure seamless app performance.

💡 Why You Are Getting This Error

  • The primary reason for this error is a misconfigured CredStore database or an incorrect 'm_Limit' value in the query. The 'm_Limit' parameter specifies the maximum number of credentials to store, and if it's set too low, CredStore may not be able to find matching credentials, resulting in the error.
  • An alternative reason for this error is a corrupted or incomplete CredStore database. This can occur due to various factors such as incorrect data entry, software updates, or hardware issues.

✅ Best Solutions to Fix It

Resetting the CredStore Database

  1. Step 1: Step 1: Back up your device and reset the CredStore database by going to Settings > General > Reset > Reset CredStore.
  2. Step 2: Step 2: Restart your device and attempt to make the API call again. If the error persists, proceed to the next step.
  3. Step 3: Step 3: Check if the 'm_Limit' value in the query is set correctly and adjust it if necessary.

Checking CredStore Database for Corruption

  1. Step 1: Step 1: Connect your device to a computer using a USB cable.
  2. Step 2: Step 2: Open the Xcode project and navigate to the 'CredStore' folder. You can find this folder in the 'Product' directory of your Xcode project.
  3. Step 3: Step 3: Delete the entire 'CredStore' folder to reset it to its default state. Then, restart your device and attempt to make the API call again.

🎯 Final Words

To resolve the 'CredStore - performQuery - Error copying matching creds' error, try resetting the CredStore database or checking for corruption in the CredStore database. If the issue persists, consider seeking further assistance from Apple support or a qualified IT professional.

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