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[Solved] Mac Studio & iPhone 16 encountering iCloud Keychain ‘Waiting for Approval’ Stalemate after update (macOS Sequoia 15.1)

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Home › Forums › iCloud, Apple Account & 2FA › [Solved] Mac Studio & iPhone 16 encountering iCloud Keychain ‘Waiting for Approval’ Stalemate after update (macOS Sequoia 15.1)

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  • November 15, 2026 at 5:38 am #20641
    Stella Harris
    Community Contributor
    Diagnostic Hardware Specs: Mac Studio & iPhone 16 | OS Version: macOS Sequoia 15.1 | Archive Source: Apple Support Community #256817552

    I am running into a persistent issue on my Mac Studio & iPhone 16 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 0xdda4 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?

    MacBook Air 15″ M3 (24GB) | LG UltraFine 5K | Apple Pencil Pro | Ottawa, ON
    Product Designer & Design Systems Lead | "Verified Apple Discussions Archive"
    November 15, 2026 at 5:39 am #20642
    Eleanor Phillips
    Certified Tech (Lvl 5)
    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.

    Apple Vision Pro (1TB) | Mac mini M4 Pro (48GB) | Studio Display | San Diego, CA
    Apple Certified Support Professional (ACSP) | visionOS Spatial Computing Developer
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