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The IIS 8.5 website must have a unique application pool.


Finding ID Version Rule ID IA Controls Severity
V-214484 IISW-SI-000251 SV-214484r508659_rule Medium
Application pools isolate sites and applications to address reliability, availability, and security issues. Sites and applications may be grouped according to configurations, although each site will be associated with a unique application pool.
Microsoft IIS 8.5 Site Security Technical Implementation Guide 2021-03-24


Check Text ( C-15693r505327_chk )
Note: If the IIS Application Pool is hosting Microsoft SharePoint, this is Not Applicable.

If this IIS 8.5 installation is supporting Microsoft Exchange, and not otherwise hosting any content, this requirement is Not Applicable.

Open the IIS 8.5 Manager.

Click "Application Pools".

In the list of Application Pools, review the "Applications" column and verify unique application pools for each website.

If any Application Pools are being used for more than one website, this is a finding.
Fix Text (F-15691r505328_fix)
Open the IIS 8.5 Manager.

Click the site name under review.

Assign a unique application pool to each website.