Troubleshooting the Installation of SAP Backend Access

Error	Possible Reason	Solution
The button to Upload the xUML Runtime is not enabled.	The user that has logged into the Bridge has no administration rights.	Login with another user that has administration rights (for instance the pre-defined user admin).
The Runtime upload to a Bridge node instance within a Bridge domain fails. After clicking Upload on the Runtime tab, the following error message is displayed in the browser window of Internet Explorer: The page cannot be displayed.	This happens only when using the browser Microsoft Internet Explorer and having the following situation: the Bridge is used on one node instance, but the new Runtime should be uploaded to another node instance of the domain.	This is due to a bug in Microsoft Internet Explorer. For a possible workaround, proceed as follows: The first alternative is to add the certificate to the Trusted Root Certification Authorities store of Microsoft Internet Explorer before uploading the Runtime. This is done by clicking View Certificate on the Security Alert dialog that opens when starting the Bridge in the browser. In the following dialog, click Install Certificate… to accept the self-signed Bridge certificate. The second alternative is to accept the self-signed certificate temporarily. If the Internet Explorer displays the error message as described above, reload the error page and trust the certificate (click Yes on the Security Alert dialog). Then, return to the Runtime tab and try to upload the Runtime again.
An xUML service connecting SAP systems cannot be started.	The package with the Bridge SAP Libraries has not been installed. In the Bridge, check the logging file of the xUML service for the following error message: Loading addon "SAP_AddOn" failed.	Upload the Runtime package containing the Bridge SAP Libraries.

Error

Possible Reason

Solution

The button to Upload the xUML Runtime is not enabled.

The user that has logged into the Bridge has no administration rights.

The Runtime upload to a Bridge node instance within a Bridge domain fails.
After clicking Upload on the Runtime tab, the following error message is displayed in the browser window of Internet Explorer: The page cannot be displayed.

This happens only when using the browser Microsoft Internet Explorer and having the following situation: the Bridge is used on one node instance, but the new Runtime should be uploaded to another node instance of the domain.

This is due to a bug in Microsoft Internet Explorer. For a possible workaround, proceed as follows:

The first alternative is to add the certificate to the Trusted Root Certification Authorities store of Microsoft Internet Explorer before uploading the Runtime. This is done by clicking View Certificate on the Security Alert dialog that opens when starting the Bridge in the browser. In the following dialog, click Install Certificate… to accept the self-signed Bridge certificate.
The second alternative is to accept the self-signed certificate temporarily. If the Internet Explorer displays the error message as described above, reload the error page and trust the certificate (click Yes on the Security Alert dialog). Then, return to the Runtime tab and try to upload the Runtime again.

An xUML service connecting SAP systems cannot be started.

The package with the Bridge SAP Libraries has not been installed.
In the Bridge, check the logging file of the xUML service for the following error message: Loading addon "SAP_AddOn" failed.

Upload the Runtime package containing the Bridge SAP Libraries.