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6.4. Enabling global maintenance mode

You must place the self-hosted engine environment in global maintenance mode before performing any setup or upgrade tasks on the Manager virtual machine.

Procedure

Log in to one of the self-hosted engine nodes and enable global maintenance mode:
```
# hosted-engine --set-maintenance --mode=global
```
Confirm that the environment is in global maintenance mode before proceeding:
```
# hosted-engine --vm-status
```
You should see a message indicating that the cluster is in global maintenance mode.

You can now update the Manager to the latest version of 4.3.

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6.4. Enabling global maintenance mode