Unable to access 'Manage Tasks' section of console when using Symantec System Recovery Management Solution (SSR-MS).

Article:TECH207572  |  Created: 2013-06-25  |  Updated: 2013-08-13  |  Article URL http://www.symantec.com/docs/TECH207572
NOTE: If you are experiencing this particular known issue, we recommend that you Subscribe to receive email notification each time this article is updated. Subscribers will be the first to learn about any releases, status changes, workarounds or decisions made.
Article Type
Technical Solution


When attempting to access the Manage Tasks section of the Symantec System Recovery Management Solution (SSR-MS) console, 'Error reading user preferences' is seen. This renders the entire Manage Tasks section of the console inaccessible.


The following errors are seen in the Symantec Management Platform (SMP) logs:

Source: Symantec.BackupSln.Silverlight.Web.SilverlightServiceFactory.CreateServiceHost
Description: Value cannot be null.
Parameter name: addresses
**CEDUrlStart** :http://entced.symantec.com/entt?product=SMP&version=Unknown&language=en&module=+z0h796GVdX5riB7F8KV2mDC5F/O68WjzKiEcvHoKktY4cACZx2uNB3eaR8ULtZy&error=960929948&build=**CEDUrlEnd**
( Exception Details: System.ArgumentNullException: Value cannot be null.


SSR-MS 2013


This issue is caused by an incorrect entry for localhost ( in the hosts file.


  1. Remove the incorrect entry for localhost in the hosts file (\Windows\System32\drivers\etc\hosts)
  2. Restart IIS (run IISRESET RESTART from command prompt)
  3. Restart Altiris service


Supplemental Materials


Unable to access 'Manage Tasks' section of console ('Error reading user preferences’).

Article URL http://www.symantec.com/docs/TECH207572

Terms of use for this information are found in Legal Notices