Upgrading the Symantec Management Agent and the agent plug-ins
After you updating the Symantec Management Platform, you need to upgrade the Symantec Management Agent and agent plug-ins on the client computers. Upgrade the Symantec Management Agent before you upgrade the agent plug-ins.
If you install the 32-bit agent on a 64-bit computer, the agent may have trouble returning some inventory data because it is runs in the WOW64 memory space. Applications that run in the WOW64 memory space do not see the actual registry and file system on a 64-bit computer.
For more information, see topics on file system redirector and registry redirector in the Microsoft MSDN library.
To upgrade the Symantec Management Agent and the agent plug-ins
In Symantec Management Platform, redirect the managed computers to the new Notification Server.
In Symantec Management Platform, use filters and targets to create a test group of clients on which to test the upgrade of the agent and the agent plug-ins.
For the test group, enable the Symantec Management Agent upgrade policy.
For the test group, enable the upgrade policies for the agent plug-ins that correspond to the plug-ins that were installed on client computers before you migrated.
For the test group, validate that policies, tasks, and other functionality works correctly.
For the rest of your client computers, repeat the preceding steps that you performed on the test group.
You can broaden the scope a few thousand clients at a time. Symantec recommends that you do not upgrade more than 8,000 clients at the same time. You can upgrade up to 15,000 clients at the same time. However, you should then disable any policies and tasks that communicate frequently with the Symantec Management Agent.
For the clients that are not available during the migration, ask your network team to make the following change:
Delete the Symantec Management Platform DNS A Record.
Create DNS Alias (CNAME) to direct the host name for Notification Server to the new Symantec Management Platform
Keep these settings in place until the upgrade of the agent and the agent plug-ins is completed on all of the remaining clients.
Imported Document ID: HOWTO54439
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