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Traceback (most recent call last):

File "src\pymssql.pyx", line 636, in pymssql.connect

File "src\_mssql.pyx", line 1957, in _mssql.connect

File "src\_mssql.pyx", line 676, in _mssql.MSSQLConnection.__init__

File "src\_mssql.pyx", line 1683, in _mssql.maybe_raise_MSSQLDatabaseException

_mssql.MSSQLDatabaseException: (20009, b'DB-Lib error message 20009, severity 9:\nUnable to connect: Adaptive Server is unavailable or does not exist (10.103.21.34:1433)\nNet-Lib error during Unknown error (10060)\n')During handling of the above exception, another exception occurred:Traceback (most recent call last):

File "E:\python程序\连接数据库.py", line 3, in

conn=pymssql.connect(server=servername,database='xskc')

File "src\pymssql.pyx", line 642, in pymssql.connect

pymssql.OperationalError: (20009, b'DB-Lib error message 20009, severity 9:\nUnable to connect: Adaptive Server is unavailable or does not exist (10.103.21.34:1433)\nNet-Lib error during Unknown error (10060)\n')