The application pool must have a recycle time set.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-13704	WA000-WI6020 IIS7	SV-46344r1_rule	ECSC-1	Medium

Description
Application pools can be periodically recycled to avoid unstable states possibly leading to application crashes, hangs, or memory leaks.

STIG	Date
IIS 7.0 WEB SITE STIG	2014-03-25

Details

Check Text ( C-32828r6_chk )
Note: Recycling Application Pools can create an unstable environment in a 64-bit Sharepoint environment. If operational issues arise, with supporting documentation from the IAO this check can be downgraded to a Cat III. 1. Open the IIS Manager. 2. Click the Application Pools. 3. Highlight the desired application pool and click advanced settings in the Action Pane. 4. Scroll down to the recycling section and ensure the value for Regular Time Interval is not set to 0. If it is, this is a finding.

Check Text ( C-32828r6_chk )

Note: Recycling Application Pools can create an unstable environment in a 64-bit Sharepoint environment. If operational issues arise, with supporting documentation from the IAO this check can be downgraded to a Cat III.

1. Open the IIS Manager.
2. Click the Application Pools.
3. Highlight the desired application pool and click advanced settings in the Action Pane.
4. Scroll down to the recycling section and ensure the value for Regular Time Interval is not set to 0. If it is, this is a finding.

Fix Text (F-28939r1_fix)
1. Open the IIS Manager. 2. Click the Application Pools. 3. Highlight an application pool and click advanced settings in the Action Pane. 4. Scroll down to the recycling section and set the value for Regular Time Interval to a value other than 0.