在Exchange 环境中，缓存模式工作下的Outlook会缓存联系人信息，当Exchange邮件服务器上联系人地址发生变更或删除时，Outlook没有及时清楚缓存将导致发送错误。
将下面文本复制到本地，创建一个.vbs文件然后双击运行即可。
‘====================================================================
‘Description: 删除Outlook 2010缓存联系人
‘
‘====================================================================
‘Close Outlook socially
WScript.Echo “关闭Outlook 点OK.”
‘Set WMI Service
strComputer = “.”
Set objWMIService = GetObject(“winmgmts:” _
& “{impersonationLevel=impersonate}!\\” & strComputer & “\root\cimv2”)
‘Close Outlook forcefully if it is still running
Set colProcessList = objWMIService.ExecQuery _
(“Select * from Win32_Process Where Name = ‘outlook.exe'”)
For Each objProcess in colProcessList
objProcess.Terminate()
Next
‘Get OS version
Set colOperatingSystems = objWMIService.ExecQuery _
(“Select * from Win32_OperatingSystem”)
For Each objOperatingSystem in colOperatingSystems
VersionOS = objOperatingSystem.Version
Next
‘Get major OS Kernel number
sOSKernelMajor = Left(VersionOS,(InStr(VersionOS,”.”)-1))
‘Set Shell
Set oShell = CreateObject(“WScript.Shell”)
‘Determine Forms Cache path
If sOSKernelMajor > 5 Then
sFormsCachePath = oShell.ExpandEnvironmentStrings(“%UserProfile%”) _
& “\AppData\Local\Microsoft\Outlook\Offline Address Books”
End If
‘Verify whether the Forms Cache exists and delete it
Set objFSO = CreateObject(“Scripting.FileSystemObject”)
If objFSO.FolderExists(sFormsCachePath) Then
WScript.Echo “删除缓存联系人.”
Const DeleteReadOnly = True
objFSO.DeleteFolder(sFormsCachePath), DeleteReadOnly
WScript.Echo “删除缓存联系人成功. ” _
& VbNewLine & “请重新打开你的Outlook 确认！.”
Else
WScript.Echo “不能找到缓存联系人！. ” _
& VbNewLine & “请重新打开你的Outlook 确认！”
End If
If sOSKernelMajor > 5 Then
sRoamCachePath = oShell.ExpandEnvironmentStrings(“%UserProfile%”) _
& “\AppData\Local\Microsoft\Outlook\RoamCache”
End If
‘Verify whether the Forms Cache exists and delete it
Set objFSO = CreateObject(“Scripting.FileSystemObject”)
If objFSO.FolderExists(sRoamCachePath) Then
WScript.Echo “删除自动完成.”
objFSO.DeleteFolder(sRoamCachePath), DeleteReadOnly
WScript.Echo “删除自动完成成功. ” _
& VbNewLine & “请重新打开你的Outlook 确认！.”
Else
WScript.Echo “不能找到自动完成！. ” _
& VbNewLine & “请重新打开你的Outlook 确认！”
End If
Set ws=WScript.CreateObject(“WScript.Shell”)
ws.Run “Outlook.exe /CleanAutoCompleteCache”