1. From <jira-install>/bin (or <Tomcat-home>/bin for JIRA WAR installations), open setenv.sh.
2. Find the section JVM_SUPPORT_RECOMMENDED_ARGS=
3. Refer to the list of parameters below.

Add all parameters in a space-separated list, inside the quotations.

1. From <jira-install>/bin (or <Tomcat-home>/bin for JIRA WAR installations), open setenv.bat.
2. Find the section set JVM_SUPPORT_RECOMMENDED_ARGS=
3. Refer to the list of parameters below.

Add all parameters in a space-separated list, inside the quotations.

1. Identify the name of the service that JIRA is installed as in Windows ( Control Panel > Administrative Tools > Services ):
   jiraservice.gif
   In the above example, the SERVICENAME is: JIRA030908110721
2. Open the command window from Start >> Run >> type in 'cmd' >> Enter
3. cd to the bin directory of your JIRA Installation Directory (or the bin directory of your Tomcat installation if your are running JIRA WAR).

4. Run:

   tomcat6w //ES//%SERVICENAME%
   

   In the above example, it would be tomcat6w //ES//JIRA030908110721
   dosprompt.gif

5. Click on the Java tab to see the list of current start-up options:
   tomcat5w.gif
6. Append any new option on its own new line by adding to the end of the existing Java Options. Refer to the list of parameters below.

1. Go to {{Start >> Run, and run "regedit32.exe".
   regedt32.png
2. Find the Services entry:
   32-bit: HKEY_LOCAL_MACHINE >> SOFTWARE >> Apache Software Foundation >> Procrun 2.0 >> JIRA
   64-bit: HKEY_LOCAL_MACHINE >> SOFTWARE >> Wow6432Node >> Apache Software Foundation >> Procrun 2.0 >> JIRA
   regeditor.png
3. To change existing properties, especially increasing Xmx memory, double-click the appropriate value.
   editxmx.png
4. To change additional properties, double-click options.
   editoptions.png
5. Refer to the list of parameters below. Enter each on a separate line.