1. 首先确保powershell 执行策略

PS C:\Users\administrator.51TALK> Set-ExecutionPolicy -ExecutionPolicy RemoteSigned
PS C:\Users\administrator.51TALK> Get-ExecutionPolicy
RemoteSigned

2. 写PS脚本

   
   Add-PSSnapin microsoft.exchange*
   Import-Module activedirectory  
   $dbs= @("bjstaff01","bjoffice","bjstaff02","bjstaff03")
   $users= Get-User -OrganizationalUnit "北京"  -RecipientTypeDetails user  
   foreach($i in $users){
   $db= get-random -InputObject $dbs
   Enable-Mailbox -Identity $i -Database $db
   }

3. 创建任务计划
![](/upload/otherpic58/175091.jpg)

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