How to Manually UninstallLast Exchange 2010 Server from Organization

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　　How to Manually UninstallLast Exchange 2010 Server from Organization
　　Overview:
　　This articleprovides step-by-step procedure about How to Manually Uninstall Last Exchange2010 Server from Organization.
　　Important Note:
　　Exchange 2010Manual Un-Installation is UN-SUPPORTED.
　　The Best way to Remove Exchange 2010 is uninstall it from Add/Remove Programs.

　　This will COMPLETELYREMOVE ALL Exchange>
　　As It will Remove all Exchange>　　Please don’tfollow in caseyou have any working exchange server (2000, 2003, 2007 or 2010) in yourOrganization.
　　How to Manually Uninstall Last Exchange 2010 Server fromOrganization:
　　Prepare for Manual Un-Installation:
　　1. Take SystemState Backup of your Active directory
　　2. Take Exchange Database Flat file Copy (OR) Backup
　　3. Make a Note of All your Mailbox Database names, Organization names, MRMDetails, MRM Retention Tag Details, MRM Retention Policy Details, OWA MailboxPolicy details, Exchange Active sync Mailbox Policy details, Email AddressPolicy Details, Transport Rules, Journal Rules, Send/Receive Connector Details,Global Settings, UM Settings etc.
　　4. Run ExBPA Report and Export the Report for future reference.
　　5. Go to Registry Editor and Export “My Computer” as Registry backup.
　　Remove Binaries, Registry from Exchange Server:
　　1. Go toExchange 2010 Server
　　2. Make Sure Exchange management Console and Exchange Management Shell areClosed.
　　3. Go to Services.msc
　　4. Right Click on “Microsoft Exchange Active Directory Topology Service”.
　　5. Go to Properties.
　　6. Stop the Service. Make the Startup type “Disabled”
　　7. Click ok.

　　8. Stop and Disable All the Exchange>　　Microsoft Exchange Address Book
　　Microsoft Exchange Anti-spam Update
　　Microsoft Exchange EdgeSync
　　Microsoft Exchange File Distribution
　　Microsoft Exchange Forms-Based Authentication
　　Microsoft Exchange IMAP4
　　Microsoft Exchange Information Store
　　Microsoft Exchange Mail Submission Service
　　Microsoft Exchange Mailbox Assistants
　　Microsoft Exchange Mailbox Replication Service
　　Microsoft Exchange Monitoring
　　Microsoft Exchange POP3
　　Microsoft Exchange Protected Service Host
　　Microsoft Exchange Replication Service
　　Microsoft Exchange RPC Client Access
　　Microsoft Exchange Search Indexer
　　Microsoft Exchange Server Extension for Windows Server Backup
　　Microsoft Exchange Service Host
　　Microsoft Exchange Speech Engine
　　Microsoft Exchange System Attendant
　　Microsoft Exchange Throttling
　　Microsoft Exchange Transport
　　Microsoft Exchange Transport Log Search
　　Microsoft Exchange Unified Messaging
　　Microsoft Search (Exchange Server)
　　
　　Refer to:
　　Overview of ServicesInstalled by Exchange Setup
　　http://technet.microsoft.com/en-us/library/ee423542.aspx
　　9. Restart the Exchange Server.
　　10. Go to Registry Editor.
　　11. Navigate to the following registry entries and delete them
　　COMPUTER ->HKEY_LOCAL_MACHINE->SOFTWARE -> MICROSOFT –> EXCHANGE
　　COMPUTER ->HKEY_LOCAL_MACHINE ->SOFTWARE -> MICROSOFT –>EXCHANGESERVER
　　COMPUTER ->HKEY_LOCAL_MACHINE ->SYSTEM ->CURRENTCONTROLSET->SERVICES ->MSEXCHANGE* (Everything Starts with MSExchange)
　　COMPUTER -> HKEY_CURRRENT_USER -> SOFTWARE -> MICROSOFT –>EXCHANGESERVER
　　11. Open Windows Explorer.
　　12. Navigate to %Program Files%Microsoft
　　13. Rename“Exchange Server” Folder as “Old Exchange Server”
　　14. Restart the Exchange Server.
　　15. Download the Windows Installer Cleanup utility from the below link
　　http://download.microsoft.com/download/e/9/d/e9d80355-7ab4-45b8-80e8-983a48d5e1bd/msicuu2.exe
　　16.Install it in the Exchange Server andOpen it.

　　17. Remove the Microsoft Exchange>　　Microsoft Exchange 2007 EnterpriseAnti-Spam Signature
　　Microsoft Exchange 2007 Enterprise Block List Update
　　Microsoft Exchange 2007 Standard Anti Spam-filter Update
　　Microsoft Exchange Client Language Pack
　　Microsoft Exchange Server
　　Microsoft Full Text Indexing Engine for Exchange
　　Microsoft Exchange Full text indexing Services
　　18. Restart the Exchange Server.
　　Removing Active Directory Objects:
　　1. Go to PrimaryDomain Controller
　　2. Open ADSIEDIT
　　3. Right Click on ADSIEdit and Click Connect to
　　4. Connect to “Default Naming Context”
　　5. Navigate to the following objects and Delete them.
　　DC=Domain,DC=Com -> OU=MicrosoftExchange Security Groups
　　DC=Domain,DC=Com -> CN=Microsoft Exchange System Objects
　　DC=Domain,DC=Com -> CN=users-> CN=FederatedEmail.4c1f4d8b-8179-4148-93bf-00a95fa1e042
　　6. Right Click on ADSIEdit and ClickConnect to
　　7. Connect to “Configuration”
　　8. Navigate to the following objects and Delete them.
　　CN=Configuration,DC=Domain,DC=Com ->CN=Services -> CN=Microsoft Exchange
　　CN=Configuration,DC=Domain,DC=Com -> CN=Services -> CN=Microsoft ExchangeAutodiscover
　　9. Force the Active directoryReplication.
　　10. Exchange 2010 Manual Uninstallation is Completed