# 2 Problems
#### Overview
In *Monitoring → Problems* you can see what problems you currently have.
Problems are those triggers that are in the "Problem" state.
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|Column|Description|
|------|-----------|
|*Time*|Problem start time is displayed.|
|*Severity*|Problem severity is displayed.
Problem severity is based on the severity of the underlying problem trigger. Colour of the trigger severity is used as cell background. For resolved problems, green background is used.|
|*Recovery time*|Problem resolution time is displayed.|
|*Status*|Problem status is displayed:
**Problem** - unresolved problem
**Resolved** - recently resolved problem. You can hide recently resolved problems using the filter.
New and recently resolved problems blink for 30 minutes. Resolved problems are displayed for 30 minutes in total. Both of these values are configurable in *Administration* → *General* → *[Trigger displaying options](/manual/web_interface/frontend_sections/administration/general#trigger_displaying_options)*.|
|*Info*|An green information icon is displayed if a problem is closed by global correlation or manually by acknowledgement. Rolling a mouse over the icon will display more details:
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|*Host*|Problem host is displayed.|
|*Problem*|Problem name is displayed.
Problem name is based on the name of the underlying problem trigger.|
|*Duration*|Problem duration is displayed.|
|*Ack*|The acknowledgement status of the problem is displayed:
**Yes** - green text indicating that the problem is acknowledged. A problem is considered to be acknowledged if all events for it are acknowledged.
**No** - a red link indicating unacknowledged events.
If you click on the link you will be taken to a bulk acknowledgement screen where all problems for this trigger can be acknowledged at once.
This column is displayed if problem acknowledgement is activated in *Administration* → *General*.|
|*Actions*|[Action](/manual/config/notifications/action) status is displayed:
**In progress** - action is being taken
**Done** - action is completed
**Failures** - action has failed
The number of actions taken on the problem (such as notifications sent or executed remote commands) is also displayed.|
|*Tags*|[Event tags](/manual/config/triggers/event_tags) are displayed (if any).|
**Using filter**
You can use the filter to display only the problems you are interested
in. The filter is located above the table.
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|Parameter|Description|
|---------|-----------|
|*Show*|Filter by problem status:
**Recent problems** - unresolved and recently resolved problems are displayed (default)
**Problems** - unresolved problems are displayed
**History** - history of all events is displayed|
|*Host groups*|Filter by one or more host groups.
Specifying a parent host group implicitly selects all nested host groups since Zabbix 3.2.2. In Zabbix 3.2.0, 3.2.1, nested host groups are selected if the parent group is specified by a `parent group/*` syntax.|
|*Host*|Filter by one or more hosts.|
|*Application*|Filter by application name.|
|*Trigger*|Filter by one or more triggers.|
|*Problem*|Filter by problem name.|
|*Minimum trigger severity*|Filter by minimum trigger severity.|
|*Age less than*|Filter by how old the problem is.|
|*Host inventory*|Filter by inventory type and value.|
|*Tags*|Filter by event tag name and value.|
|*Show hosts in maintenance*|Mark the checkbox to display problems of hosts in maintenance, too.|
|*Show unacknowledged only*|Mark the checkbox to display unacknowledged problems only.|
|*Show details*|Mark the checkbox to display underlying trigger expressions of the problems.|
#### Viewing details
The times for problem start and recovery in *Monitoring → Problems* are
links. Clicking on them opens more details of the event.
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