- Opening the ILLiad Client prompts the error "An error occurred loading the main form." Often there are more details beneath this error that can guide you or OCLC Support as to the cause.
This error means that there is a problem connecting to the SQL server. Hosted sites can follow the same troubleshooting steps used for the pre-logon handshake error.
Here are the common causes of this error:
- The ATLAS SQL Alias Manager could be set up incorrectly, so double-check this article.
- Have your institution's network administrators ensure that ports 1433 or 1344 are open for traffic to and from the database. To use port 1344, see this article.
- If you continue to have issues, please contact OCLC Support.