These are the top Microsoft Support solutions to the most common issues experienced using Microsoft Exchange Server 2010 (updated quarterly).
1. Solutions related to Database Availability Group (DAG):
- The replay queue length on passive copies of mailbox databases in Database Availability Group continues to increase in an Exchange Server 2010 environment
- You cannot add a new Exchange Server 2010 Mailbox database to DAG in a multi-site topology environment
- Event ID 2153 is logged on each database availability group member in an Exchange Server 2010 environment
- The Microsoft Exchange Replication service crashes on Exchange Server 2010 DAG members
- The Exchange Server is not a member of Exchange Trusted Subsystem
- Warning 2174 and Error 2153 are logged on DAG member servers in an Exchange Server 2010 environment
- Microsoft Exchange Server 2010 DAG member remains in Maintenance Mode
- A seed operation might not succeed when the source mailbox database has many log files in a Microsoft Exchange Server 2010 DAG
- Rebuild an Entire Database Availability Group
- You cannot view the mailbox database copies that are hosted on certain Mailbox servers by using the Exchange Management Console after you install Exchange Server 2010 SP1
- The Store.exe process crashes when you try to unmount an active copy of a mailbox database that is hosted by a mailbox server in an Exchange Server 2010 SP1 environment
2. Solutions related to database will not mount or is dismounted:
- Event ID 9519 "Error 0x80004005" is logged in the Application log when you try to mount a database in Exchange Server 2010 or in Exchange Server 2007
- You cannot create a new Exchange Server 2010 Mailbox database in a multiple domain environment
- Mount a Database
- Mailbox database will not mount on startup
- Information Store service crashes when you mount public folder databases on an Exchange Server 2010 server
3. Solutions related to mobility and ActiveSync:
- How to temporarily deactivate the kernel mode filter driver in Windows
- Exchange ActiveSync: Frequently asked questions
- Current issues with Microsoft Exchange ActiveSync and third-party devices
- Announcing the release of Exchange Server Remote Connectivity Analyzer
- Introducing: Log Parser Studio
- Under The Hood: Exchange ActiveSync Mailbox Log Analysis
- Securing Exchange Data from Unapproved Mobile Devices (or how to block a phone or service from taking data out of your Exchange Server)
- Controlling Exchange ActiveSync device access using the Allow/Block/Quarantine list
- Supporting Windows 8 Mail in your organization
- Windows Phone 8 Exchange ActiveSync Overview (download)
- Exchange ActiveSync Considerations When Using Windows Phone 7 Clients
4. Solutions related to public folders:
- Recovering Public Folders After Accidental Deletion (Part 1: Recovery Process)
- How to troubleshoot public folder replication problems in Exchange 2000 Server and in Exchange Server 2003
- Event ID 9519 "Error 0x80004005" is logged in the Application log when you try to mount a database in Exchange Server 2010 or in Exchange Server 2007
- Fixing Public Folder Directory Objects That Aren’t Linked To The Hierarchy
- The UseLegacyFB registry value does not work as expected in Outlook 2010 and Outlook 2013
- Comparing public folder item counts
- Outlook client applications cannot connect to public folders after you install Exchange Server 2010 SP1
- Public Folder Replication Fails Due To Empty Legacy Administrative Group
- Managing Public Folders
5. Solutions related to client/server connection issues and delays:
- How to temporarily deactivate the kernel mode filter driver in Windows
- File-Level Antivirus Scanning on Exchange 2010
- Troubleshooting long running MAPI connections to Exchange Server 2010 through Network Load Balancers
- How to do performance tuning for NTLM authentication by using the MaxConcurrentApi setting
- Configuring Kerberos Authentication for Load-Balanced Client Access Servers
- 'Requesting data from the Exchange server...' or 'Outlook is trying to retrieve data…' client messages
- Exchange Server 2003 Service Pack 2 DSProxy Referral Process Changes
- Announcing the release of Exchange Server Remote Connectivity Analyzer
- The Case of the Mysterious Exchange Server Hang
- 'Requesting data from the Exchange server...' or 'Outlook is trying to retrieve data…' client messages