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Replay 4 is a proprietary backup and disaster recovery software for Windows application servers developed by AppAssure Software and released on September 9, 2009.^[1]

Replay 4 uses an image-based approach for backup ^[2] taking a snapshot at a moment in time. It provides application integration with mission-critical Microsoft applications, including Microsoft Exchange, SQL, SharePoint, and Hyper-V. Replay 4 also supports Windows Small Business Servers, Domain Controllers, File servers, Web servers, and BlackBerry enterprise servers. Replay 4 provides support for advanced features such as block level snapshots with incremental forever data capture, integrated data deduplication, bare-metal restore to dissimilar hardware, failover virtual machines, offsite cloud recovery, etc. The latest version adds the ability to replicate data to off-site storage, and also incorporates new technology for data deduplication.^[3]

Replay 4 was named 2009 Backup and Disaster Recovery Software Product of the Year by Storage Magazine in February 2010.^[4] In May 2010, Replay 4 was named New Server Software Product of the Year at the 8th annual American Business Awards.^[5]

• List of backup software

• Official website
• Replay 4 Administrator's Guide
• Replay 4 Release Notes