|Message:||%1 (%2) %3A bad page link (error %4) has been detected in a B-Tree (ObjectId: %5, PgnoRoot: %6) of database %7 (%8 => %9, %10).|
This Error event indicates that a corrupt page link was detected in a B-Tree. Available space in the Exchange store database is in the form of a list of pages that can be used to store new data. The available space is called a space tree. The space tree is held as a binary tree that is searched whenever a block of new data needs to be added to the database.
During an online defragmentation, a problem was discovered in this tree.
This event is often caused by a hardware failure or antivirus software scanning of the database file directory.
To resolve this error, do one or more of the following:
If you are not already doing so, consider running the tools that Microsoft Exchange offers to help administrators analyze and troubleshoot their Exchange environment. These tools can help you make sure that your configuration is in line with Microsoft best practices. They can also help you identify and resolve performance issues, improve mail flow, and better manage disaster recovery scenarios. Go to the Toolbox node of the Exchange Management Console to run these tools now. For more information about these tools, see Toolbox in the Exchange Server 2007 Help.