Check System Uptime

net statistics workstation
net statistics workstation | find "Statistics since"
systeminfo
systeminfo| find "System Boot Time"

AD Query

Locked Out Users - Displays all the user accounts that are locked out
(&(&(&(&(objectCategory=person)(objectClass=user)(lockoutTime:1.2.840.113556.1.4.804:=4294967295)))))
 
Dial In Access - Displays all the user accounts with Dial In Access
(&(&(&(&(objectCategory=person)(objectClass=user)(msNPAllowDialin=TRUE)))))
 
Disabled User Accounts - Displays all the user accounts that are currently disabled
(&(objectCategory=person)(objectClass=user)(userAccountControl:1.2.840.113556.1.4.803:=2))
 
Non Expiring Accounts - Displays all the user accounts that are set to not expire
(&(objectCategory=person)(objectClass=user)(userAccountControl:1.2.840.113556.1.4.803:=65536))
 
Active Accounts - Displays all the users account that are active
(&(&(objectCategory=person)(objectClass=user)(!userAccountControl:1.2.840.113556.1.4.803:=2)))
 
 Hidden Mailboxes - Displays all accounts with hidden Mailboxes
(&(objectCategory=person)(objectClass=user)(msExchHideFromAddressLists=TRUE))
 
 Windows XP Computers - Displays all computers running Windows XP
(&(&(&(&(&(&(&(objectCategory=Computer)(operatingSystem=Windows XP Professional)(operatingSystemServicePack=Service Pack 3))))))))
 
Vista Machines – Displays all computers running Windows Vista
(&(&(&(&(&(&(sAMAccountType=805306369)(objectCategory=computer)(operatingSystem=Windows Vista*)))))))
 
Vista Machines – SP1
(&(&(&(&(sAMAccountType=805306369)(objectCategory=computer)(operatingSystem=Windows Vista*)(operatingSystemServicePack=Service Pack 1)))))
 
All Computers - Displays all computers
(sAMAccountType=805306369)
 
Windows Server 2000 - Displays all computers running Windows Server 2000 (not including DC’s)
(&(&(&(&(&(objectCategory=Computer)(operatingSystem=Windows 2000 Professional))))))
 
Windows Server 2003 - Displays all computers running Windows Server 2003 (not including DC's)
 (&(&(&(samAccountType=805306369)(primaryGroupID=516)(objectCategory=computer)(operatingSystem=Windows Server 2003*))))
 
Windows Server 2008 - Displays all computers running Windows Server 2008 (not including DC's)
(&(&(&(&(samAccountType=805306369)(!(primaryGroupId=516)))(objectCategory=computer)(operatingSystem=Windows Server 2008*))))
 
All Windows Server Domain Controllers - Displays all computers that are Domain Controllers
(&(&(&(sAMAccountType=805306369)(useraccountcontrol:1.2.840.113556.1.4.804:=67117056))))

My Document Folder Redirection

My Document Folder Redirection

Check in these two places

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders