IronPort Systems ES-1528 - Manual (Page 142)

Chapter 21 Troubleshooting
ES-1528 User’s Guide
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Figure 92 Security Settings - Java Scripting
21.2.1.3 Java Permissions
1 From Internet Explorer, click Tools, Internet Options and then the Security tab.
2 Click the Custom Level... button.
3 Scroll down to Microsoft VM.
4 Under Java permissions make sure that a safety level is selected.
5 Click OK to close the window.
Figure 93 Security Settings - Java