Database '%4': While attempting to move to the next orprevious node in a B-Tree, the database engine took %21 milliseconds ...

Exchange Server 2016

%1 (%2) %3Database '%4': While attempting to move to the next orprevious node in a B-Tree, the database engine took %21 milliseconds (waiting %22 milliseconds on faults) to skip over %7non-visible nodes in %8 pages (faulting in %23 pages). In addition, since this message waslast reported %16 hours ago, %17 other incidents of excessivenon-visible nodes were encountered (a total of %18 nodes in %19 pageswere skipped) during navigation in this B-Tree. It is likely thatthese non-visible nodes are nodes which have been marked for deletionbut which are yet to be purged. The database may benefit fromwidening the online maintenance window during off-peak hours in orderto purge such nodes and reclaim their space. If this messagepersists, offline defragmentation may be run to remove all nodeswhich have been marked for deletion but have yet to be purged fromthe database.
	Name: %5
	Owning Table: %6
	ObjectId: %9
	PgnoRoot: %10
	Type: %11
	Unversioned Deletes: %12
	Uncommitted Deletes: %13
	Committed Deletes: %14
	Non-Visible Inserts: %15
	Filtered: %20
	Dbtime Distrib: %24

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Database '%4': The primary index '%5' of table '%6' is out of date with sorting libraries. If used in this state (i.e. not ... Database '%4': The secondary index '%5' of table '%6' is out of date with sorting libraries. If used in this state (i.e. ... Database '%4': The secondary index '%5' of table '%6' will be rebuilt as a precautionary measure after the Windows version ... Database '%4': While attempting to move to the next orprevious node in a B-Tree, the database engine took %17 milliseconds ... Database '%4': While attempting to move to the next orprevious node in a B-Tree, the database engine took %21 milliseconds ... Database '{0}' can't be mounted on server '{1}' due to a previous error: {2} Verify that the underlying cause of the error ... Database '{0}' encountered an unknown error when reading it from the Active Directory. It appears to have no valid database ... Database '{0}' encountered an unknown error when reading its configuration from Active Directory. Either the database has ... Database '{0}' encountered an unknown error when reading its configuration from Active Directory. There appears to be an ...