# SetQuorum

This method is called by the master to set the HA quorum at runtime.

### For an overview see page HA Applications

### Prototype

        public void SetQuorum(int quorum);

### Arguments

quorum | The number of active replicas that is acceptable (including 0)

### Description

This function is called by the master to set the HA quorum at runtime. Note that a value of `quorum` greater than 0 is allowed only for synchronous replication mode.

### Return Codes

No value returned.

### Example

        MasterConnection con = new MasterConnection(db);
        MasterConnection.Parameters MasterParams = new MasterConnection.Parameters();
        MasterParams.Quorum = 1; /* set initial value for HA quorum */
        con.SetReplicationMode(MasterParams);
        ...
        con.SetQuorum(0); /* change HA quorum at runtime */