servicenow vr assignment rule

Vulnerability Response assignment\n rules overview

Define the criteria by which vulnerable items (VIs) are automatically assigned to an\n assignment group for remediation.

Assignment type, whether Manual or Rule is\n available from the VI form and the list view. Any VI that was originally assigned by a rule\n but subsequently manually reassigned contains a reference to the original rule.

Use Assignment rule and Assignment type information to identify cases where the assignment\n rules did not find a correct match for the intended recipient. You can also use the\n information to identify which rules had the most reassignments.

Case sensitivity for the\n search text you enter in the condition builder is not supported on this record or\n form.

Assigning vulnerable items automatically

• User group: This option allows you to select any of the existing Now Platform® user groups.
• None: Indicates no default value for this mandatory field
• Configuration Item: Approval Group
• Configuration Item: Assignment Group
• Configuration Item: Support Group
• Script: This option allows you to define the conditions using a script. This option\n requires coding or advanced ServiceNow expertise.

Run high priority rules (items that need special handling, where risk is critical, or a VI\n should be handled by regulatory compliance) first. Next, run your general rules, where no\n special handling is required, and you know who should be responsible for them. Finally,\n create a default rule to assign VIs to the group that will figure out what assignment group\n it should belong to. This group could add another rule to cover their decisions. This\n default rule would run last.

Assignment rule evaluation process

Assignment rules are used to evaluate and assign a VI when a new VI is opened, that is,\n imported, created manually, or reopened. Unless you manually reapply assignment rules after\n the VI or its state changes, a VI is evaluated once.

• For each vulnerability assignment rule, the VI is compared to the assignment filter,\n lowest order rule first.
• Where the condition matches, the VI is assigned an assignment group. The lookup\n stops.
• Where the conditions do not find a match among all the other rules, the VI is assigned\n to the default assignment group, if a default rule exists. Once the vulnerable item\n has been assigned, the appropriate remediation task rule uses assignment as one of its\n criteria for placing the vulnerable items into a remediation task. See Vulnerability Response remediation tasks and task rules overview and Filtering within Vulnerability Response for more\n information. Note: The default rule is the rule with the highest execution order\n value. A final rule to use that is a good catch-all is\n active=true . If there is no default rule, the VI\n remains unassigned when the remediation task rule makes the\n assignment. \n \n

Reapplying assignment rules

If the Reapply all vulnerability assignment rules scheduled job has not run before the first time you use Apply Changes , then it runs all the assignment rules on all Open VIs except\n those VIs that were manually assigned. After that, all subsequent uses of Apply Changes rerun only the changed rules and any dependent rules. Changes to one rule may result in a VI matching a different\n unmodified rule. Reapplying assignment rules does not regroup the vulnerable items.

The scheduled job [ Reapply all vulnerability assignment rules ] is inactive by default. When activated, it applies all the rules to all open VIs except those manually assigned. It\n can run Daily , Weekly , Monthly , Periodically , Once , or On Demand . Depending on how many\n active VIs you have in your environment, remember to set the Run field appropriately following the initial run to prevent performance impacts.

Upgrade customers should refer to the VR Release Notes for information regarding the impact of this feature on existing VIs.

When an assignment group on an assignment rule changes, the vulnerable items can be automatically reevaluated and regrouped by enabling the system property sn_vul.rerun_task_rules and business rule Link to\n Remediation Tasks.

• Navigate to All > System Properties > All Properties .
• Open sn_vul.rerun_task_rules system property.
• In the Value field, set the value to true.

To automate the regrouping of vulnerable items, you must active the business rule Link Remediation Tasks.

• Navigate to All > System Definition > Business Rules .
• Open Link to Remediation Tasks business rule.
• Select the Active check box to activate the business rule.
• The vulnerable items are removed from the groups without deleting the groups.
• Only those items are removed which are created using remediation task rules or remediation effort.
• Regrouping is done automatically only when the assignment group changes as part of an assignment rule and not when it is manually changed.

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Setting the Assignment group with Assignment Rules

Assignment Rules are a simpler alternative to Data Lookup. While Data Lookup is very powerful, allowing you to set any field, it does involve a quite a bit of configuration, including creating a new table.

In contrast, an Assignment Rule uses the simpler condition builder to specify when it should run. If it matches, then it'll either populate the Assigned to and Assignment group fields with a hardcoded value, or you can use a script. We have got the group we want to use in a property, so this option is perfect. Follow these steps:

• Name : Assign to External Team
• Table : Maintenance [x_hotel_maintenance] ...

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Handling Assignment Rules in ServiceNow

In ServiceNow, if one is looking for automatic assignments then he can rely on the instance’s ability to assign the tasks automatically to different users and groups depending on the specified conditions. In order to achieve this, ServiceNow has the following modules:

• Assignment Lookup Rules
• Assignment Rules

Assignment Lookup Rules:

This module appears under the ‘System Policy application’ menu. This table is basically generated out of the box as its definition is provided in the ‘Data Lookup Definition’ table in the instance, specifically for field assignments in the incident table. Assignment lookup rules mainly provide the functionality of changing any field value and not just the assignment fields.

Assignment Rules:

This module appears under the ‘System Policy application’ menu. It helps to automatically assign the tasks to a particular user or a particular group using the assigned_to and assignment_group fields respectively, depending on the specified set of conditions. One can define these assignment rules readily for their desired table.

Following are the steps for defining the assignment rule:

• Navigate to System Policy -> Assignment -> New

• From the above figure, one can see that the dot-walking can also be done in the condition builder field. Just select the ‘Show Related Fields’ option in the condition and then select the appropriate attribute.
• Further, in the ‘Assign To’ tab, select the appropriate user and group to whom the task is to be assigned.

If two assignment rules conflict, then the assignment rule with the lowest execution order runs first. The lower the execution order, the higher is the precedence.

Distinguishing Factors between the Data Lookup Rules and Assignment Rules:

Precedence among the assignment rule and business rule:.

In certain circumstances, the business rules gain precedence over the assignment rules.

The business rules and assignments rules run in the following order:

• All the ‘before record insert’ business rules having order less than 1000.
• First and foremost, assignment rule with lowest execution order and matching condition.
• All the ‘before record insert’ business rules having order more than 1000.
• All the ‘after record insert’ business rules.

We are pretty sure that this blog must have given an overview of dealing with Assignment Rules in ServiceNow.

Any comments\suggestions are most welcome. We have posted further blogs as well on other topics and will frequently come back with something innovative.

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