[PowerShell每日技巧]从AD中找出没有邮件地址的用户(20131112)

DAIC

LDAP queries are extremely powerful and can help find accounts that are missing information.

This code would return all Active Directory users that actually have a mail address:

1. $searcher = [ADSISearcher]"(&(sAMAccountType=$(0x30000000))(mail=*))"
   
2. $searcher.FindAll() |
   
3.   ForEach-Object { $_.GetDirectoryEntry() } |
   
4.   Select-Object -Property sAMAccountName, name, mail

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If you want the opposite, negate the query using "!". This would return all Active Directory user accounts that currently have no mail address:

1. $searcher = [ADSISearcher]"(&(sAMAccountType=$(0x30000000))(!(mail=*)))"
   
2. $searcher.FindAll() |
   
3.   ForEach-Object { $_.GetDirectoryEntry() } |
   
4.   Select-Object -Property sAMAccountName, name, mail

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http://powershell.com/cs/blogs/tips/archive/2013/11/12/finding-active-directory-users-with-missing-mail-address.aspx