[Solved] iCloud Keychain ‘Waiting for Approval’ Stalemate on MacBook Air M3 & iPhone 15: How to resolve Cloud Key Vault security circle orphaned peer key desync

[Harper Bryant]

Diagnostic Hardware Specs: MacBook Air M3 & iPhone 15 | OS Version: macOS Sequoia 15.1 | Archive Source: Apple Support Community #256605665

I am running into a persistent issue on my MacBook Air M3 & iPhone 15 running macOS Sequoia 15.1.
Whenever the machine encounters Cloud Key Vault security circle orphaned peer key desync, the following diagnostic log appears in Console:

secd: [SecurityCircle] Peer key 0xeb1e unconfirmed by active Circle of Trust members

I verified that hardware connections are intact and tested across different power sources. What is the verified diagnostic procedure to permanently eliminate this symptom?

Mac Studio M2 Max (64GB) | Neumann KM184 Pair | Logic Pro 11 | Bristol, UK

Classical Pianist & Spatial Audio Arranger | "Verified Apple Discussions Archive"

[Christine Chen]

Apple Recommended / Verified Community Solution

This canonical solution was verified and marked as solved in the Apple Support Community archive.

Flushing local keychain daemon caches and re-authenticating with primary device lock screen passcode.

Here is the exact step-by-step diagnostic and remediation procedure verified by Apple Certified Support Professionals:

1. Confirm saved passwords exist locally on your iPhone in Settings > Passwords.
2. On Mac, turn Passwords & Keychain OFF in iCloud settings.
3. Purge local keychain cache: rm -rf ~/Library/Keychains/*/ && sudo killall -9 securityd secd.
4. Re-enable Keychain in iCloud settings and verify identity with iPhone lock screen passcode.

Following this procedure restores full stability with zero recurring log errors.

MacBook Pro 16″ M3 Pro (36GB) | Studio Display | Magic Mouse & Trackpad | Seattle, WA

Apple Certified Support Professional (ACSP) | Product Designer & Design Systems Lead

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