Upgrade the Data Collector component which is the aptare.jar file

To upgrade the Data Collector component:

Log on to the Portal server and go to <PORTAL_APTARE_HOME>/dc_upgraders/<version>/<OS>.
Copy aptare.jar to a temporary location on any other server or Data Collector server directly.
Log on to the Data Collector server.
Copy aptare.jar from the temporary location to <DC_APTARE_HOME>/upgrade/bundles.
Rename aptare.jar to dc_upgrader.<version>.zip.
For example, if <version> is 11.3.1.02, then file name will be dc_upgrader.11.3.1.02.zip
Remove all *.properties files from the <DC_APTARE_HOME>/upgrade directory
Remove restore.txt file from <DC_APTARE_HOME>/upgrade directory
Upgrade the Data Collector component either from the Portal (recommended) or from the Data Collector server as described in the procedures below.

To upgrade from IT Analytics Portal:

Login to the Portal.
Go to Admin > Data Collection > Collector Administration and verify whether the Data Collector appears online.
Go to Admin > Data Collection > Collector Updates and select the Data Collector for which the component needs to be upgraded.
Select Upgrade aptare.jar.
The upgrade takes up to 15 minutes to complete.

To upgrade from the Data Collector server:

Log on to the Data Collector server.
For Data Collector in Windows, open the command prompt as an administrator user and run:
```
 <DC_APTARE_HOME>/mbs/bin/downloadlib.bat 
```
For Data Collector in Linux, as a root user run:
```
<DC_APTARE_HOME>/mbs/bin/downloadlib.sh
```
The upgrade takes up to 15 minutes to complete.