return new jcifs.internal.smb2.persistent.DurableHandleResponse();
        case "DH2Q": // Durable Handle V2 Request/Response
            return new jcifs.internal.smb2.persistent.DurableHandleV2Response();
        case "DHnC": // Durable Handle Reconnect Request/Response
            return new jcifs.internal.smb2.persistent.DurableHandleReconnectResponse();
        default:
            // Unknown context type - log and return null

        void testSMB2ContextNames() {
            // Common SMB2 create context names
            String[] contextNames = { "DHnQ", // Durable handle request
                    "DHnC", // Durable handle reconnect
                    "AlSi", // Allocation size
                    "MxAc", // Max access
                    "TWrp", // Timewarp
                    "QFid", // Query on disk ID

}
```

### 4.4 Durable Handle Reconnect Context
```java
package jcifs.internal.smb2.persistent;

public class DurableHandleReconnect extends Smb2CreateContext {
    public static final String NAME = "DHnC";  // Durable Handle Reconnect
    
    private byte[] fileId;  // 16-byte file ID from previous open
    
    public DurableHandleReconnect(byte[] fileId) {
        super(NAME);
        if (fileId.length != 16) {