|Component:||Microsoft Exchange Extensible Storage Engine|
|Message:||<process name> (<process id>) <storage group name>Database <name> requires logfiles <number>–<number> in order to recover successfully. Recovery could only locate logfiles up to <number>.|
The database requires log files in order to continue.
You will receive the following phrase in the event Description:
Information Store (number) [guid] Database [path\filename] requires logfiles
[e.g.] 154-158 in order to recover successfully. Recovery could only locate logfiles up to [e.g.] 157.
Generally, verify whether or not the log files have been moved or deleted. If the log files have been deleted, restore them from backup media. If they have been moved, move them to the appropriate location. The event text will specify the required files. Check for related events and their description to determine specific causes and resolutions. Following are some specific resolutions for the common causes indicated in the Explanation.