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Set up sapnwrfc.ini with SAP Connection Information
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| If you are using a direct Application Server connection to your SAP system, you can skip this section. If you are using a load-balancing, SNC or SSO connection, then please read this section.The sapnwrfc.ini file contains SAP connection information organized into destination (DEST) entries. Each destination specifies one particular method of connection between NLINK and SAP. |
Each destination has a number of parameters that indicate how NLINK should find the SAP system. There can be any number of destinations in a single sapNwrfcsapnwrfc.ini file, as long as all the destination names are unique.
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The sapnwrfc.ini file should be located in the NLINK Config folder. By default, the NLINK config folder . Thisis C:\Program Data\Junot Systems (for NLINK v7x). For NLINK Server v6x or earlier, the Config folder is a sub-folder named Configunder the NLINK installation folder .By default, the NLINK installation folder is , which is C:\Program Files\Junot Systems for 32-bit Windows 2003, Windows 2008 or C:\Program Files (x86)\Junot Systems for x64 Windows 2003, Windows 2008 or Windows 2012. A sample file named sapnwrfc.sam can be found in [NLINK installation folder]\Documentation. The sapnwrfc.ini file must be in UTF-8 format. |
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The NLINK Environment Constants can be edited using the NMM.
Open the list of Environment Constants by choosing Edit >> Environment Constants from the NMM menu. Some entries may have a default value, which you do not have to change. Any entries in red must receive a value before you will be able to start the NLINK Server.
| ADC | |||
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| ADC TCP Port | TCP/IP port used by NLINK Server to receive requests. Use default unless there is conflicts with some other software using same port. | ||
| ADC Menu | |||
| MENU_GROUP_01 … MENU_GROUP_07 | Put values here that match values of Windows User Groups containing users that should get different ADC menu. See below for more details. | ||
| Error Handling | |||
| EMAIL_SMTP_SERVER | Usually this can be blank. | ||
| EMAIL_RECIPIENT_ADDRESS | Leave this blank to turn off error notifications. Otherwise enter a valid email address and NLINK will automatically send error notification emails to that address. | ||
| EMAIL_FROM_ADDRESS | If sending error notifications, enter a valid “from” address here. | ||
| EMAIL_FROM_NAME | If sending error notifications, enter a name here. You can then use this information to filter the messages in the receiving email account. | General||
| WRITE_AUDIT_FILE | Set this to TRUE or FALSE depending on whether you want NLINK to write an audit file of user movement through the Solution. | ||
| SAP | |||
| SAP_HOSTDESTINATION | Enter the hostname of the SAP application server you destination (from the sapnwrfc.ini file) you want to connect to. | ||
| SAP_SYSTEM_NUMBER | Enter the SAP backend system number. | SAP_CLIENT | Enter the SAP client number, just as you would if you were logging on through SAPGUI. |
| SAP_USER_ID | Enter NLINK’s SAP user id. | ||
| SAP_PASSWORD | Enter NLINK’s SAP password. | ||
| SAP_LANGUAGE | Enter the SAP language, just as you would if you were logging on through SAPGUI (e.g., E EN for English). | ||
| SAP_ALT_QUERYRFC_FUNCTIONREAD_NAMETABLE | If your system needs to use an alternate RFC to get around the SAP floating point issue, enter the name of that RFC here (e.g., Z_RFC_READ_TABLE). If you don’t need the alternate RFC, leave this blank. | ||
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| If you do not have a customized ADC meta-database provided to you from Junot Systems, you will not see all of the Environment Constants listed in the preceding chart. |
Set Up ADC Menu Groups
The NLINK ADC to SAP Solution uses Windows user ids and groups to manage access to the transaction screens. By default, you can configure up to seven user groups to receive different ADC menus, but you don’t have to use them all. You do need to set up at least one group—you can probably just use the default Windows group Users.
Set the group name(s) in the Environment Constants MENU_GROUP_01 to MENU_GROUP_07 (see previous section of this document).
Then choose Edit >> ADC Menu Setup from the NMM menu and add the same group name(s) to set up menu choices for each group.
- Select user group to set up.
- Available configured transactions show here. Double-click to add a menu choice for the selected transaction to the current user group.
- Selected transactions show here. Set the Item Text as desired.
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Please see Defining ADC Menu Group Validations (ADC5) for various options regarding ADC Menu Groups.
If you do not see the ADC Menu Setup option in the NMM, and you have just switched your Active Meta-Database from a default meta-database to an ADC Solution meta-database, please close the NMM and re-open it.
Test SAP Connection
After setting the SAP connection parameters in the Environment Constants use the NMM to test the connection to SAP. Please see Test SAP Connectivity with the NMM for step-by-step instructions.
- Open the Test External System Connection dialog by choosing Options >> Test External System Connection from the NMM menu.
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- Click the Test button. You can modify the External System Attribute values here and re-test. Any changes made to parameters will also affect corresponding values in NLINK Environment Constants.
Troubleshooting tips can be found here.
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