This topic describes how to change the active signature set version, which is useful for troubleshooting purposes. Network Inspection System (NIS) periodically updates the known vulnerability database, by downloading a new signature set from Microsoft Update. You can use version control to roll back to an earlier signature set or activate the most up-to-date version.
 Note: |
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| Activating an older NIS signature set may expose your network to newly discovered threats. |
To activate a different
signature set
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In the Forefront TMG Management console, in the tree, click the Intrusion Prevention System node.
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On the Tasks tab, click Configure Settings.
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On the Update Configuration tab, click Version Control.
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Click Select the NIS signature set you want to activate, then, in the list, select the required signature set, and click Activate.
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On the Apply Changes bar, click Apply.
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