Update teh Active Directory terminal Session Properties

Set objParent = GetObject("ldap://OU=Level/ 02,OU=Security - Administrator Accounts,DC=XenWorld")
objparent.Filter = Array("user")
for each objUser in objParent
 Wscript.Echo "Modifying|" & objUser.Get("CN")
        'SESSIONS ATTRIBUTES
         objUser.MaxDisconnectionTime = 2880 'In Minutes
         objUser.MaxIdleTime = 2880 'In Minutes
         objUser.MaxConnectionTime= 0 'active connections okay
         objUser.BrokenconnectionAction = 0 '0=Disconnect, 1=End
         objUser.SetInfo
next

Details on more properties:
http://www.virtualizationadmin.com/articles-tutorials/terminal-services/scripting/scripting-server-based-computing-terminal-services-attributes-active-directory-user-objects.html

Extract Details about your Site Links

Import-Module ActiveDirectory 
$ConfigPath = (Get-ADRootDSE).configurationNamingContext           
Get-ADObject -Filter 'ObjectClass -eq "siteLink"' -SearchBase $ConfigPath -Properties * | Format-Table Name, replInterval, cost, siteList -AutoSize    


From:
http://blogs.technet.com/b/ashleymcglone/archive/2010/10/06/powershell-to-automatically-create-all-ad-hub-to-spoke-site-links.aspx

Bonus Link
http://blogs.technet.com/b/ashleymcglone/archive/2011/06/29/report-and-edit-ad-site-links-from-powershell-turbo-your-ad-replication.aspx

Cool Script to dump Sites and Services

[System.DirectoryServices.ActiveDirectory.Forest]::GetCurrentForest().Sites | select name, @{n='subnets';e={$_.subnets | select -expand name}}, @{n='servers';e={$_.Servers | select -expand name}}, @{n='sitelink';e={$_.sitelinks | select -expand name}} | export-csv c:\temp\sites.csv
from
http://www.powershellcommunity.org/Forums/tabid/54/aft/6321/Default.aspx

consolidate empty AD sites

Excellent script to consolidate

http://blogs.technet.com/b/ashleymcglone/archive/2011/02/11/consolidate-all-ad-empty-sites-into-a-single-sitelink-using-powershell.aspx