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【正文】 POP3 ................................................................... 406 IMAP4 .................................................................. 408 NNTP ................................................................... 410 Active Directory 中的配置設(shè)置 ........................................... 411 元數(shù)據(jù)庫中的配置設(shè)置 .................................................... 411 通過 DS2MB 進行 IIS 元數(shù)據(jù)庫更新 ......................................... 411 高水印 ................................................................. 412 前端服務(wù)器體系結(jié)構(gòu) ...................................................... 412 使用前端服務(wù)器時的注意事項 ............................................... 413 Exchange ActiveSync 和 Exchange 2020 ....................................... 413 Exchange ActiveSync 協(xié)議體系結(jié)構(gòu) ........................................ 414 同步協(xié)議版本和設(shè)備支持 .................................................. 416 同步協(xié)議命令 ............................................................ 416 Sync 命令格式 ........................................................... 417 URI .................................................................... 417 HTTP 頭 ................................................................ 417 HTTP 正文 .............................................................. 418 移動設(shè)備上獨立于協(xié)議的多播數(shù)據(jù) ........................................... 418 Exchange ActiveSync 配置文件 ............................................ 418 最新通知 ............................................................... 418 聚合器 ................................................................. 419 Outlook Mobile Access 和 Exchange 2020 ..................................... 419 Outlook Mobile Access 依存關(guān)系 ........................................... 420 Outlook Mobile Access 和 .NET ............................................ 420 .NET Framework .......................................................... 420 ................................................................ 421 會話管理 ............................................................... 421 經(jīng)過修改的 URL 會話 ID .................................................. 422 設(shè)備更新 ........................................................ 422 Outlook Mobile Access 體系結(jié)構(gòu) ........................................... 422 Outlook Mobile Access 和 Microsoft Outlook Web Access 模板 ................. 423 Outlook Mobile Access 數(shù)據(jù)源 ............................................. 423 Outlook Mobile Access 目錄設(shè)置 ........................................... 424 Outlook Mobile Access 和 DS2MB ........................................... 425 Outlook Mobile Access 和 Windows 注冊表 ................................... 426 Outlook Mobile Access 和 ...................................... 427 Outlook Mobile Access 客戶端請求 ......................................... 429 Outlook Mobile Access 安全體系結(jié)構(gòu) ....................................... 429 Exchange Information Store 服務(wù)體系結(jié)構(gòu) .................................... 430 Exchange 存儲體系結(jié)構(gòu) ..................................................... 430 存儲組 ................................................................. 432 存儲組體系結(jié)構(gòu) .......................................................... 432 Active Directory 中的存儲組屬性 ......................................... 434 存儲組最低磁盤空間要求 .................................................. 436 Exchange 存儲數(shù)據(jù)庫 ..................................................... 436 MAPI 數(shù)據(jù)庫文件 ......................................................... 436 流式數(shù)據(jù)庫文件 .......................................................... 437 屬性升級 ............................................................... 437 數(shù)據(jù)庫大小限制 的配置與管理 ................................................ 438 注冊表設(shè)置 .............................................................. 438 數(shù)據(jù)庫大小限制 (GB) ..................................................... 439 數(shù)據(jù)庫大小緩沖區(qū)警告 (%)................................................. 439 數(shù)據(jù)庫大小檢查開始時間（自午夜起的小時數(shù)） ................................ 440 達到配置的數(shù)據(jù)庫大小限制或許可的數(shù)據(jù)庫大小限制時的行為 ..................... 440 許可的數(shù)據(jù)庫大小限制 .................................................... 441 災(zāi)難恢復(fù)計劃的注意事項 .................................................. 441 可擴展存儲引擎體系結(jié)構(gòu) .................................................... 442 事務(wù) ................................................................... 442 ACID 事務(wù) .............................................................. 442 版本存儲 ............................................................... 443 快照隔離 ............................................................... 443 ESE 數(shù)據(jù)庫結(jié)構(gòu) .......................................................... 444 數(shù)據(jù)庫頁 ............................................................... 444 ECC 校驗和 .............................................................. 444 數(shù)據(jù)庫一致性和 1018 錯誤 ................................................ 445 數(shù)據(jù)庫樹平衡 ............................................................ 446 拆分 ................................................................... 447 合并 ................................................................... 447 扇出 ................................................................... 447 索引 ................................................................... 447 長值 ................................................................... 448 記錄格式 ............................................................... 448 列數(shù)據(jù)類型 .............................................................. 448 固定列和可變列 .......................................................... 449 標(biāo)記列 ................................................................. 450 信息存儲的責(zé)任 ............................................................ 450 與其他 Exchange 服務(wù)交互 ................................................. 450 空間管理 ............................................................... 451 數(shù) 據(jù)庫碎片整理 .......................................................... 451 緩沖管理 ..........................