Event ID - 9559

Event Id9559
DescriptionThe log disk is full for storage group "First Storage Group". Attempting to unmount all databases in this storage group. For more information, click http://www.microsoft.com/contentredirect.asp.
Event InformationWhen you try to mount an Exchange database, you may receive the following error message: An internal processing error has occurred. Try restarting the Exchange System Manager or the Microsoft Exchange Information Store service, or both. ID no: C1041724 Exchange System Manager And in event viewer the above event message along with event id 9519 from the same source will be displayed. CAUSE This issue can occur if there is not a sufficient amount of free disk space on the drive that contains the databases that you are trying to mount. RESOLUTION To resolve this issue, free up some disk space on the drive, and then try to mount the database again.
Reference Links C1041724 Error Occurs When You Try to Mount a Database

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