Fix: ODBC Call Failed Unspecified Error Occurred on SQL Server - Access
You receive the following error trying to make a call from an SQL database using Microsoft Access.
ODBC – call failed
[Microsoft][ODBC SQL Server Driver][Unspecified error occurred on SQL Server. Connection may have been terminated by the server. (#0)
SQL services need to be started or restarted on the server hosting the SQL database your Access database is communicating with making the ODBC call.