This screen covers miscellaneous settings. Here you can set various general properties. Click the name of the group to expand and collapse the display.
![]()  | Important | 
|---|---|
If you customize any of these user names, do not use a hyphenated name, for example "hdfs-user". If you do, service status will not return correctly to Ambari Web and you will not be able to start/stop the service using the Ambari Web GUI.  | 
Table 3.22. Misc Settings:Users/Groups
| Name | Notes | 
|---|---|
| 
 Proxy group for Hive, WebHCat, and Oozie  | 
 The name of the proxy group: for example   | 
| HDFS User | The user to run HDFS: for example hdfs | 
| 
 MapReduce User  | 
 The user to run MapReduce: for example   | 
| HBase User | The user to run HBase : for example hbase | 
| Hive User | The user to run Hive: for example hive | 
| HCat User | The user to run HCatalog: for example, hcat | 
| WebHCat User | The user to run WebHCat: for example, hcat | 
| Oozie User | The user to run Oozie : for example oozie | 
| ZooKeeper User | The user to run ZooKeeper: for example zookeeper | 
| Group | The group that the users specified above belong to: for example
hadoop | 
When you have made all your changes, click Next.

![[Important]](../common/images/admon/important.png)
