When you click the Device Manager - Storage Navigator menu, the system does not respond. One minute later, application error (20020-108000) occurs.

The pop-up blocker function of your web browser might restrict Device Manager - Storage Navigator. If the problem still continues after you perform the operation multiple times, perform one or both of the following actions:

• Disable the pop-up blocker function of your web browser.
• Disable the pop-up blocker function of any browser plug-in/add-on.

If neither of the above can be performed in Internet Explorer, you can open the window by clicking the Device Manager - Storage Navigator menu while holding down the Ctrl key.

Another possible cause is that a Java application was not allowed to start. If a message appears and asks if you want to run an application, click Run.

If none of the above actions solve the problem, reinstall the JRE.

When you click the Device Manager - Storage Navigator menu, a message appears asking you to download the file SJsvlSNStartServlet.do or SJsvlAppStartServlet.do. One minute later, the application error (20020-108000) occurs.

The possible causes are that the JRE is not installed in the management client, the JRE installation failed, or the JRE add-on is disabled on the web browser. Cancel the message, and install the JRE. If the JRE is already installed, reinstall it.

When you click the Device Manager - Storage Navigator menu, a message appears asking you to save a Jnlp file.

Perform the following to save the encrypted page:

1. In Internet Explorer, click Tools Internet options, and then select the Advanced tab.
2. In the Security section, uncheck Do not save encrypted pages to disk.
3. Click OK.

• The application errors (20020-108000 and 10-6027) occur when you click the Device Manager - Storage Navigator menu.
• The application error (10-6027) occurs and Device Manager - Storage Navigator terminates when you click the Device Manager - Storage Navigator menu.

If the problem continues after you perform the operation multiple times, see the probable causes listed below.

For Windows: Exit all applications using Java, and then terminate the javaw.exe and javaws.exe applications through Task Manager.

• Java on the Device Manager - Storage Navigator web client might have failed to start due to timeout. Close all other applications and perform the Device Manager - Storage Navigator operation again.
• The version of Device Manager - Storage Navigator recognized by the management client might not match the version installed on the SVP. Close all the windows of your web browser and then clear the Java and web browser cache.
• The management client might have entered standby or hibernate mode. Restart the management client.
• If a proxy server is used for network connections, the proxy cache may be storing the older version of the program. If the problem continues after you clear the Java and web browser caches, contact your network administrator.
• The network connection between the SVP and the management client might be blocked by a firewall or some kind of device.

Check the firewall settings and contact your network administrator.

If none of the above actions solve the problem, save the dump file, the Java trace file and the log file on the management client, and report to customer support. Then restart Device Manager - Storage Navigator.

When you click the Device Manager - Storage Navigator menu, the system does not respond.

If the problem continues after you perform the operation multiple times, close all the Device Manager - Storage Navigator windows and clear the Java and web browser caches.

The application error (1-7050) occurs when you click the Device Manager - Storage Navigator menu.

The version of Device Manager - Storage Navigator recognized by the management client might not match the version installed on the SVP. Close all the windows of your web browser and then clear the Java and web browser caches. In addition, if a proxy server is used for network connections, the proxy server cache may be storing the older version of the program. If the problem continues after you clear cache of both Java and web browser, contact your network administrator.

Java console is grayed out and does not start when you try to open the Device Manager - Storage Navigator secondary window (Java application).

Restart the management client, or terminate the Device Manager - Storage Navigator process with one of the following methods:

• For Windows: Exit all applications using Java, and then terminate the javaw.exe and javaws.exe applications through Task Manager.
• For UNIX: Exit all applications using Java, and then terminate javaw and javaws with the kill command.

A message box remains displayed when opening the Device Manager - Storage Navigator secondary window (Java application). The Device Manager - Storage Navigator secondary window does not appear for a long time.

Restart the management client, or terminate the Device Manager - Storage Navigator process with one of the following methods:

• For Windows: Exit all applications using Java, and then terminate the javaw.exe and javaws.exe applications through the Task Manager.
• For UNIX: Exit all applications using Java, and then terminate javaw and javaws with the kill command.

A message remains displayed when the Device Manager - Storage Navigator secondary window opens and the system does not respond.

The SVP may be set as an exception on the proxy setting of the web browser.

Do the same settings on the Network Settings displayed in the General tab of the Java Control Panel.

If you open the Java console dialog box by selecting the Java icon on the system tray while opening the Device Manager - Storage Navigator secondary window (Java application), the browser and Java console may stop responding.

Do not open the Java console dialog box while opening the Device Manager - Storage Navigator secondary window. If the browser and Java console stop responding, restart the management client.

When you click the Device Manager - Storage Navigator menu. The application error (20020-108000) occurs.

If the problem continues after you repeat the operation several times, you might have cancelled the display of the secondary window. Restart the management client, or terminate the Device Manager - Storage Navigator process with one of the following methods: For example:

• You might have clicked Exit on the Security Warning window.
• You might have clicked Cancel on the Warning - Security window.

Close all the Device Manager - Storage Navigator windows and clear the Java and web browser caches.

If the problem continues after you clear both Java and web browser caches, save the Device Manager - Storage Navigator dump file and the Java trace file, and send them to customer support.

The following message displays in Device Manager - Storage Navigator.

• Java has discovered application components that could indicate a security concern.
• Block potentially unsafe components from being run. (recommended)
• The application contains both signed and unsigned code. Contact the application vendor to ensure that it has not been tampered with.

Select Yes to continue using Device Manager - Storage Navigator. If the problem continues, the cause may be one of the following:

• The version of Device Manager - Storage Navigator recognized by the management client might not match the version installed on the SVP. Close all the windows of your web browser and then clear the cache of both Java and the web browser
• If a proxy server is used for network connections, the proxy server cache may be storing an older version of the program. Clear the cache of both Java and the web browser. If the problem remains, contact your network administrator.

In Internet Explorer, the following pop-up window appears when you open the Device Manager - Storage Navigator secondary window.

"Internet Explorer has stopped working. A problem caused the program to stop working correctly. Windows will close the program and notify you if a solution is available."

Third-party browser extensions of Internet Explorer might be enabled.

Disable third-party browser extensions as follows:

1. In the Windows menu bar, click Tools Internet Options, and then click the Advanced tab.
2. In the Advanced tab, clear the Enable third-party browser extensions (requires restart) check box.
3. Restart Internet Explorer.

In Internet Explorer, an application error (10-6027) occurs when you open the Device Manager - Storage Navigator secondary window.

The SmartScreen Filter function might be enabled when you use Internet Explorer 8.0 or later. Turn off SmartScreen Filter as follows:

1. In the Windows menu bar, click Safety SmartScreen Filter Turn Off SmartScreen Filter.
2. Restart Internet Explorer.

In Internet Explorer or Google Chrome, either of the following pop-up windows appears when you open the Device Manager - Storage Navigator secondary window.

"Application Blocked by Java Security" or "Application Blocked by Security Settings"

• Java 7 Update 55 or later
• Java 8 Update 5 or later

To start up the window, you need to change Java security settings. For details, see Changing Java security settings.

Also, note that the certificate signed to the SVP program might be expired.

You can perform the application by adding the SVP URL to the exception site list by using the following procedure:

1. Open the Java Control Panel.
2. Click Edit Site List on the Security tab.

   Exception Site List displays.

3. Click Add.
4. Enter URL. Begin with http:// or https://

   (example: http://IP-address-of-SVP or https://IP-address-of-SVP).

5. Click OK. If Security Warning - HTTP Location displays, click Continue.
6. Click OK on the Java Control Panel and close the window.
7. Restart your web browser.

Device Manager - Storage Navigator hangs and does not respond.

Device Manager - Storage Navigator may hang in the following cases:

• When you move a window displayed in front of the Device Manager - Storage Navigator secondary window, the area behind the window remains gray and does not go back to normal for a long period of time.
• The entire Device Manager - Storage Navigator secondary window goes gray and does not go back to normal for a long period of time.

From the Device Manager - Storage Navigator secondary window, press CtrlAltShiftD all at once to exit Device Manager - Storage Navigator.

If you cannot exit Device Manager - Storage Navigator, reboot the management client or restart Device Manager - Storage Navigator after finishing Device Manager - Storage Navigator forcibly by the following way.

• For Windows: Exit all applications using Java, and then terminate the javaw.exe and javaws.exe applications through Task Manager.
• For UNIX: Exit all applications using Java, and then terminate javaw and javaws with the kill command.

When you click Refresh All or Refresh in the Device Manager - Storage Navigator secondary window, it displays the message "Loading" for a long time".

The probable causes are:

• Another application such as Command Control Interface may be changing configuration. The window will be updated shortly after the configuration change ends.
• Volume Migration operations, Quick Restore operations or Thin Image operations may be in progress. The window will be updated shortly after the operations end.

Error 110-67005 occurred during a Device Manager - Storage Navigator operation on the secondary window.

The probable causes are:

• Another application such as Command Control Interface may be changing configuration.
• Volume Migration operations, Quick Restore operations, or Thin Image operations may be in progress.
• The configuration data may not be matched if a communication error occurs between the storage system and the SVP. Wait a few minutes and then click File Refresh All to reread the configuration information. Then launch Device Manager - Storage Navigator again.

While you are using a Device Manager - Storage Navigator secondary Window, it closes unexpectedly and error 20020-108000 occurs.

Start the Device Manager - Storage Navigator secondary window from the Device Manager - Storage Navigator main window again. If this error occurs repeatedly, close all the Device Manager - Storage Navigator windows, and then clear the Java and web browser caches.

The web browser closes abnormally

This problem can occur if a Mozilla process keeps running after Mozilla stops responding. Delete the "java_vm" and "mozilla" processes and continue with Device Manager - Storage Navigator operations.

One of the following sets of errors occurred when using Device Manager - Storage Navigator:

• 20121-107024 and 10-6027
• 20020-108000 and 10-6027
• 10-6027

The probable causes are:

• The SVP may have been restarted. Close Device Manager - Storage Navigator, wait 10 minutes, and then restart it.
• The version of Device Manager - Storage Navigator recognized by the management client might not match the version installed on the SVP. Close all the browser windows and then clear the browser cache.
• The Device Manager - Storage Navigator computer might be in standby or hibernate mode. Restart Device Manager - Storage Navigator.
• If a proxy server is used for network connections, the proxy server cache may be storing the older version of the program. If the problem continues after you clear the browser cache, contact your network administrator.
• Restart the web browser

If none of the above actions solve the problem, save the Device Manager - Storage Navigator dump file and send it to customer support.

Only the Exit button and the Refresh and Refresh All commands are effective when accessing the SVP from Device Manager - Storage Navigator.

The SVP might not be ready to perform some write processes from the other system. Wait a few minutes and then click File Refresh. If the SVP is not restored, click Refresh All.

Only the Exit button and the Refresh All command are effective when accessing the SVP from the Device Manager - Storage Navigator.

An error may have occurred in the SVP. Click File Refresh All. If the SVP is not restored, log in to Device Manager - Storage Navigator again.

The commands in the Go menu are unavailable.

The required software options might not be installed or an error might occur on the window that appears after you click the command.

Make sure that all the required software options are installed. If they are installed, do one of the following:

• Click File Refresh.
• Click File Refresh All.
• Log in to Device Manager - Storage Navigator again.

When you switch windows from one window to the Device Manager - Storage Navigator window, the Device Manager - Storage Navigator window is not displayed.

Close all windows, and then log in to Device Manager - Storage Navigator again.

The items in a list are not synchronized with a scroll bar.

Click the scroll buttons or

above and below the scroll bar.

The focus disappears from the edit box.

Close all dialog boxes, and then log in to Device Manager - Storage Navigator again.

The web browser does not display correctly, because some GUI items such as labels and icons cannot be loaded properly.

Log out of Device Manager - Storage Navigator, and then log in again. If this error occurs before you log in to the Device Manager - Storage Navigator, close all dialog boxes and then log in to Device Manager - Storage Navigator.

The characters are unreadable because they are overlapped or garbled.

Log out of Device Manager - Storage Navigator, and then log in again.

The characters are garbled in a window where a tree is displayed.

Click File Refresh.

Even though you have clicked Apply to change storage system settings, the new settings are not displayed in Device Manager - Storage Navigator.

Click File Refresh.

The dialog box that says Loading... stays open for a long period of time.

A Device Manager - Storage Navigator message dialog box other than the dialog box that says Loading... might be displayed behind this window. Press AltTab to switch the dialog box.

If the dialog box that says Loading... remains displayed for several hours after you apply the settings to the storage system, contact customer support.

The following information does not display in Device Manager - Storage Navigator windows:

• Information on the storage system, such as ports or HDDs
• Information configured with another management client

Click File Refresh. If the problem continues, close all Device Manager - Storage Navigator windows, and then clear the Web browser caches.

The Device Manager - Storage Navigator secondary window does not display.

• In the Java Control Panel, click the Temporary Internet Files section. In the Disk Space area, enter 1 MB, and then click Delete Files.
• Click Security Java Control Panel. Ensure that Enable Java content in the browser is checked.
• Clear the browser cache.
• Ensure that Java Plug-in is enabled.

If none of the above actions solve the problem, the web browser might not recognize Plug-in correctly. Initialize and redo the web browser settings.

If you click in a Device Manager - Storage Navigator secondary window while a dialog box is open, the dialog box disappears behind the Device Manager - Storage Navigator secondary window.

Click the dialog box again.

An error occurs because a digital signature or security certificate has expired.

You can continue using Device Manager - Storage Navigator even though the digital signature for the Device Manager - Storage Navigator Java application is expired.

You specify IPv6 communication addresses when you start Device Manager - Storage Navigator, but IPv6 is not being used. Instead, IPv6 is being used and IPv4 addresses are output to audit logs for operations on the Device Manager - Storage Navigator secondary window.

IPv4 has higher priority when both IPv4 communication and IPv6 communication can be used. As a result, IPv4 may be used when you specify IPv6 communication addresses. Also, IPv4 addresses may appear in audit logs.

For details on configuring only IPv6 communication, see Virtual Storage Platform G200, G400, G600, G800 System Administrator Guide.