ZyXEL Communications XGS-4728F - Manual (Page 389)

Chapter 48 Troubleshooting
XGS-4728F User’s Guide
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Click OK to close the window.
Figure 235 Security Settings - Java Scripting
48.2.1.3 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.