title: MS SQL Server: Blocked Sessions
agents: windows
catalog: app/mssql
license: GPLv2
distribution: check_mk
description:
 This check lists all blocked sessions on a MSSQL Server. As
 long at least one session is blocked, it will be {CRITICAL}.
 This state is configurable with a default value of {CRITICAL}.

 Alternatively you can configure thresholds for the SQL output
 "wait_duration_ms".

 This check needs the Checkmk mssql.vbs -plugin installed in
 the agent. Please refer to the online documentation
 for how to install that plugin.

item:
 Either an empty string or the name of the MSSQL instance

discovery:
 One is created for each host.

cluster:
 In a cluster setup all sessions are aggregated across all nodes.
