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[Solved] Mac Studio & iPhone 16 encountering iCloud Keychain ‘Waiting for Approval’ Stalemate after update (iOS 18.1)

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Home › Forums › iCloud, Apple Account & 2FA › [Solved] Mac Studio & iPhone 16 encountering iCloud Keychain ‘Waiting for Approval’ Stalemate after update (iOS 18.1)

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  • November 15, 2026 at 1:46 am #16866
    Lisa Walker
    Community Contributor
    Diagnostic Hardware Specs: Mac Studio & iPhone 16 | OS Version: iOS 18.1 | Archive Source: Apple Support Community #256760131

    I am running into a persistent issue on my Mac Studio & iPhone 16 running iOS 18.1.
    Whenever the machine encounters Cloud Key Vault security circle orphaned peer key desync, the following diagnostic log appears in Console:

    secd: [SecurityCircle] Peer key 0xb59a 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 mini M2 (24GB) | Apple Technician Guide Hub | Fluke 87V DMM | Portland, OR
    Apple Certified Service Technician (ACiT / ACSP) | "Verified Apple Discussions Archive"
    November 15, 2026 at 1:46 am #16867
    Chloe Ford
    Community Contributor
    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.

    Mac mini M2 Pro (32GB) | Dell UltraSharp U3223QE | Jamf Cloud Admin | Gothenburg, SE
    Apple Certified Support Professional (ACSP) | Enterprise Mac Sysadmin & Jamf Pro Architect
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