The following topics are new:

• Error 1018 Received When Web-based Distribution OABs Fail to Replicate
  
• How to Configure Clustered Mailbox Server Ownership in a CCR Environment
  
• Import-ExchangeCertificate fails with "the source data cannot be imported or the wrong password was specified"
  
• The Database Performance Counter Disappears after Installing SP1
  
• Wildcard Certificate Causes Client Connectivity Issues for Outlook Anywhere
  

The following topics have recently been updated:

• Applying Exchange 2007 Update Rollups to Clustered Mailbox Servers
  
• Autodiscover and Outlook Anywhere Issues
  
• Autodiscover Service Returns Unexpected Values for Outlook Anywhere Proxy Settings
  
• Certificate Use in Exchange Server 2007
  
• High Availability
  
• How to Configure Deleted Item Retention for a Mailbox Database
  
• How to Configure Network Connections for Cluster Continuous Replication
  
• How to Configure the Node and File Share Majority Quorum
  
• How to Create Accepted Domains
  
• How to Install the Active Clustered Mailbox Role in a CCR Environment on Windows Server 2003
  
• How to Install the Active Clustered Mailbox Role in a Single Copy Cluster on Windows Server 2003
  
• How to Install the Passive Clustered Mailbox Role in a CCR Environment on Windows Server 2003
  
• How to Install the Passive Clustered Mailbox Role in a Single Copy Cluster on Windows Server 2003
  
• How to Move a Client Access or Hub Transport Server to a Different Site
  
• How to Perform a Dial Tone Recovery Using and Staying on an Alternate Server for the Dial Tone Database
  
• How to Restore Production Database Access After a Server Failure
  
• How to Seed a Standby Continuous Replication Target
  
• How to Upgrade a Single Copy Cluster to Exchange 2007 SP1
  
• Offline Address Book, Address List, and Recipient Issues
  
• Planning for Cluster Continuous Replication
  
• Standby Continuous Replication: Database Portability
  
• Troubleshooting Slow RPC Request Processing Issues
  
• Understanding Namespace Planning For Exchange Server 2007
  
• Understanding the Performance Impact of High Item Counts and Restricted Views
  
• Using ISA Server 2006 with Exchange 2007