Message type: E = Error
Message class: SPN - SPnego
Message number: 020
Message text: Communication error with server & : &
Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.
To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.
Unfortunately, there isn't any extra information in this error notice.
First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).
Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.
You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.
SPN020
- Communication error with server & : & ?The SAP error message SPN020, which indicates a "Communication error with server," typically arises when there are issues in the communication between the SAP system and the server it is trying to connect to. This can occur in various scenarios, such as when accessing a database, connecting to an application server, or interfacing with external systems. Causes of SPN020 Error Network Issues: Problems with the network connection, such as downtime, misconfigured firewalls, or routing issues, can lead to communication errors. Server Unavailability: The target server may be down or not reachable due to maintenance or unexpected outages. Configuration Errors: Incorrect settings in the SAP system or the server configuration can prevent successful communication. Timeouts: If the server takes too long to respond, the connection may time out, leading to this error. Authentication Issues: Problems with user credentials or permissions can also result in communication errors. Protocol Mismatches: If there are mismatches in the communication protocols being used
Get instant SAP help. Sign up for our Free Essentials Plan.
SPN019
No response from application server
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
SPN018
You are not authorized to administer the SNC configuration
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
SPN021
& User Principal(s) found:
What causes this issue? If the transaction has found more than one Kerberos User Principal Name assigned to a Service Principal Name, you must make s...
SPN022
Kerberos token check successful
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
Click on this link to search all SAP messages.