搭配使用 TPM 和 BitLocker 時,平台組態註冊 7 傳回無法綁定訊息
Summary: 搭配使用 TPM 和 BitLocker 時,平台組態註冊 (PCR) 7 的相關資訊傳回「PCR 7 無法綁定」訊息。
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Symptoms
Cause
這是 Microsoft 的設計運作方式。
BIOS 會延伸系統中任何選用 ROM 的憑證,以判斷 PCR7 的值。如果此值包含第三方 UEFI CA,則不允許 PCR7,而是要求 0,2,4,11。這表示任何具有 PCI 顯示卡、網路或儲存控制器的系統,其 OROM 會觸發此程序,並還原為 0,2,4,11 值。在 OROM 內建於系統 BIOS 的筆記型電腦組態中,不會觸發此程序,且支援 PCR7。在配備 PCI 顯示卡的系統組態中,它會觸發此程序,然後返回。這同樣適用於任何配備 PCI 顯示卡解決方案的電腦,或其他配備 OROM 的 PCI 卡。
Resolution
Affected Products
Alienware, Dell All-in-One, Dell Pro All-in-One, Dell Pro Max Micro, Dell Pro Max Slim, Dell Pro Max Tower, Dell Pro Micro, Dell Pro Slim, Dell Pro Tower, Dell Slim, Dell Tower, Inspiron, OptiPlex, Vostro, XPS, G Series, G Series, Alienware
, Dell Plus, Dell Pro, Dell Pro Max, Dell Pro Premium, Inspiron, Latitude, Dell Pro Rugged, Vostro, XPS, Fixed Workstations, Mobile Workstations, Dell Pro Max Micro XE FCM2250, Dell Pro Max Slim XE FCS1250, Dell Pro Max Tower T2 XE FCT2250, Dell Pro Max 16 XE MC16250, Dell Pro Micro Plus XE QBM1250, Dell Pro Slim Plus XE5 QBS1250, Dell Pro Tower Plus XE5 QBT1250
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Article Properties
Article Number: 000203995
Article Type: Solution
Last Modified: 13 May 2025
Version: 5
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