No jobs run on BI when one SAP AS is down

Issue/Introduction:

Error Message :
This errors indicate that the the SAP Manager fails to connect to SAP BI

=====================================================================================
| 2014-04-10 14:35:22 |ERROR|X|SAP|pid=12644.24240| uxsap_open_comm | SAP system [PUBPRD/*/*]: RfcOpenEx fails
| 2014-04-10 14:35:22 |ERROR|X|SAP|pid=12644.24240| uxsap_connect | uxsap_open_comm error: unable to open the RFC handle
| 2014-04-10 14:35:22 |INFO |X|SAP|pid=12644.24240| uxsap_connect | RFC connexion fails for SAP system [PUBPRD/*/*]
| 2014-04-10 14:35:22 |ERROR|X|SAP|pid=12644.24240| uxsap_bapi_connect | Unable to connect to SAP system [PUBPRD/*/*]: uxsap_connect returned error -1
========================================================================================

Patch level detected:Dollar Universe 6.1.00
Product Version: Dollar.Universe 6.1.0

Description :The SAP As is down. All Sap Jobs aborts systematically. The As had been stopped for a maintenance operations:

The Production SAP manager in Dollar Universe is configured to submit directly on a target AS as follows:

KEY:PUBPRD/*/*
TargetHost:FREDCPAPSAS11
TargetServer:20
TargetClient:800
User:JS_ADMIN
Password:init123
Language:E
GatewayHost:FREDCPAPSAS11
GatewayService:sapgw20
XmiCompany:ORSYP
XmiProduct:UNIVERSE
XmiInterface:XBP
XmiVersion:3.0
XmiAuditLevel:3
XmiExternUser:UNI_USER
Endian:L

Cause:

Cause type:
Configuration
Root Cause: The connection Settings of the SAP Manager must be adapted to connect to the SAP instance in Load Balancing mode with one Logon Group.
The settings are different and described in the Solution part of this article.

Environment:

OS: All

Resolution:

uxjcs.ini configuration file for a connection to a SAP BI in Load Balancing Mode on the logon Group PUBLIC

################################################################################
KEY:PUBPRD/*/*
TargetHost:
TargetServer:20
TargetClient:800
User:JS_ADMIN
Password:init123
Language:E
GatewayHost:FREDCPCLSBI03
GatewayService:sapgw20
XmiCompany:ORSYP
XmiProduct:UNIVERSE
XmiInterface:XBP
XmiVersion:3.0
XmiAuditLevel:3
XmiExternUser:UNI_USER
Endian:L
Group:PUBLIC
R3Name:PB1
MessageServerHost:FREDCPCLSBI03
################################################################################

To summarize load balancing mode requires target host to be empty.
Rename and Message ServerHost:(Sap instance Name) must be defined such as Group (specifying the logon group).

Fix Status: No Fix

Additional Information:

Workaround :
N/A