连接sqlserver2008数据库失败或超时，重启计算机就可以连接。每天大概要发生一次。
数据库日志文件：2017-03-30 19:42:26.08 Server Microsoft SQL Server 2008 (RTM) - 10.0.1600.22 (X64)
Jul 9 2008 14:17:44
Copyright (c) 1988-2008 Microsoft Corporation
Enterprise Edition (64-bit) on Windows NT 6.1 (Build 7601: Service Pack 1)
2017-03-30 19:42:26.15 Server (c) 2005 Microsoft Corporation.
2017-03-30 19:42:26.15 Server All rights reserved.
2017-03-30 19:42:26.15 Server Server process ID is 1540.
2017-03-30 19:42:26.17 Server System Manufacturer: 'LENOVO', System Model: 'ThinkServer TS250'.
2017-03-30 19:42:26.17 Server Authentication mode is MIXED.
2017-03-30 19:42:26.17 Server Logging SQL Server messages in file 'D:\Program Files\Microsoft SQL Server\MSSQL10.MSSQLSERVER\MSSQL\Log\ERRORLOG'.
2017-03-30 19:42:26.19 Server This instance of SQL Server last reported using a process ID of 1672 at 2017/3/30 19:41:32 (local) 2017/3/30 11:41:32 (UTC). This is an informational message only; no user action is required.
2017-03-30 19:42:26.19 Server Registry startup parameters:
-d D:\Program Files\Microsoft SQL Server\MSSQL10.MSSQLSERVER\MSSQL\DATA\master.mdf
-e D:\Program Files\Microsoft SQL Server\MSSQL10.MSSQLSERVER\MSSQL\Log\ERRORLOG
-l D:\Program Files\Microsoft SQL Server\MSSQL10.MSSQLSERVER\MSSQL\DATA\mastlog.ldf
2017-03-30 19:42:26.25 服务器 SQL Server is starting at normal priority base (=7). This is an informational message only. No user action is required.
2017-03-30 19:42:26.25 服务器 Detected 4 CPUs. This is an informational message; no user action is required.
2017-03-30 19:42:26.58 服务器 Using locked pages for buffer pool.
2017-03-30 19:42:27.35 服务器 Using dynamic lock allocation. Initial allocation of 2500 Lock blocks and 5000 Lock Owner blocks per node. This is an informational message only. No user action is required.
2017-03-30 19:42:33.69 服务器 Node configuration: node 0: CPU mask: 0x000000000000000f Active CPU mask: 0x000000000000000f. This message provides a description of the NUMA configuration for this computer. This is an informational message only. No user action is required.
2017-03-30 19:42:34.11 spid7s Starting up database 'master'.
2017-03-30 19:42:34.33 spid7s Recovery is writing a checkpoint in database 'master' (1). This is an informational message only. No user action is required.
2017-03-30 19:42:34.60 spid7s Resource governor reconfiguration succeeded.
2017-03-30 19:42:34.61 spid7s SQL Server Audit is starting the audits. This is an informational message. No user action is required.
2017-03-30 19:42:34.63 spid7s SQL Server Audit has started the audits. This is an informational message. No user action is required.
2017-03-30 19:42:34.72 spid7s FILESTREAM: effective level = 0, configured level = 0, file system access share name = 'MSSQLSERVER'.
2017-03-30 19:42:35.22 spid7s SQL Trace ID 1 was started by login "sa".
2017-03-30 19:42:35.36 spid7s Starting up database 'mssqlsystemresource'.
2017-03-30 19:42:35.39 spid7s The resource database build version is 10.00.1600. This is an informational message only. No user action is required.
2017-03-30 19:42:35.75 spid11s Starting up database 'model'.
2017-03-30 19:42:35.75 spid7s Server name is 'PDASCAN'. This is an informational message only. No user action is required.
2017-03-30 19:42:35.90 spid11s Clearing tempdb database.
2017-03-30 19:42:36.29 服务器 A self-generated certificate was successfully loaded for encryption.
2017-03-30 19:42:36.31 服务器 Server is listening on [ 'any' 1433].
2017-03-30 19:42:36.31 服务器 Server is listening on [ 'any' 1433].
2017-03-30 19:42:36.31 服务器 Server local connection provider is ready to accept connection on [ \.\pipe\SQLLocal\MSSQLSERVER ].
2017-03-30 19:42:36.31 服务器 Server named pipe provider is ready to accept connection on [ \.\pipe\sql\query ].
2017-03-30 19:42:36.31 服务器 Server is listening on [ ::1 1434].
2017-03-30 19:42:36.31 服务器 Server is listening on [ 127.0.0.1 1434].
2017-03-30 19:42:36.31 服务器 Dedicated admin connection support was established for listening locally on port 1434.
2017-03-30 19:42:36.31 服务器 The SQL Server Network Interface library could not register the Service Principal Name (SPN) for the SQL Server service. Error: 0x54b, state: 3. Failure to register an SPN may cause integrated authentication to fall back to NTLM instead of Kerberos. This is an informational message. Further action is only required if Kerberos authentication is required by authentication policies.
2017-03-30 19:42:36.31 服务器 SQL Server is now ready for client connections. This is an informational message; no user action is required.
2017-03-30 19:42:36.51 spid11s Starting up database 'tempdb'.
2017-03-30 19:42:36.73 spid14s The Service Broker protocol transport is disabled or not configured.
2017-03-30 19:42:36.73 spid14s The Database Mirroring protocol transport is disabled or not configured.
2017-03-30 19:42:36.83 spid14s Service Broker manager has started.
2017-03-30 19:42:36.84 登录 错误: 18456，严重性: 14，状态: 38。
2017-03-30 19:42:36.84 登录 Login failed for user 'SZBX_DBLinker'. 原因: 无法打开明确指定的数据库。 [客户端: 172.16.100.47]
2017-03-30 19:42:36.87 登录 错误: 18456，严重性: 14，状态: 38。
2017-03-30 19:42:36.87 登录 Login failed for user 'NT AUTHORITY\NETWORK SERVICE'. 原因: 无法打开明确指定的数据库。 [客户端: 172.16.100.80]
2017-03-30 19:42:37.50 登录 错误: 18456，严重性: 14，状态: 38。
2017-03-30 19:42:37.50 登录 Login failed for user 'NT AUTHORITY\NETWORK SERVICE'. 原因: 无法打开明确指定的数据库。 [客户端: ]
2017-03-30 19:42:37.79 登录 错误: 18456，严重性: 14，状态: 8。
2017-03-30 19:42:37.79 登录 Login failed for user 'sa'. 原因: 密码与所提供的登录名不匹配。 [客户端: 180.97.83.236]
2017-03-30 19:42:38.01 登录 错误: 18456，严重性: 14，状态: 8。
2017-03-30 19:42:38.01 登录 Login failed for user 'sa'. 原因: 密码与所提供的登录名不匹配。 [客户端: 180.97.83.236]
2017-03-30 19:42:38.02 登录 错误: 18456，严重性: 14，状态: 8。
2017-03-30 19:42:38.02 登录 Login failed for user 'sa'. 原因: 密码与所提供的登录名不匹配。 [客户端: 180.97.83.236]
2017-03-30 19:42:38.04 登录 错误: 18456，严重性: 14，状态: 8。
2017-03-30 19:42:38.04 登录 Login failed for user 'sa'. 原因: 密码与所提供的登录名不匹配。 [客户端: 180.97.83.236]
2017-03-30 19:42:38.24 登录 错误: 18456，严重性: 14，状态: 8。
2017-03-30 19:42:38.24 登录 Login failed for user 'sa'. 原因: 密码与所提供的登录名不匹配。 [客户端: 180.97.83.236]
2017-03-30 19:42:38.26 登录 错误: 18456，严重性: 14，状态: 8。
2017-03-30 19:42:38.26 登录 Login failed for user 'sa'. 原因: 密码与所提供的登录名不匹配。 [客户端: 180.97.83.236]
2017-03-30 19:42:38.27 登录 错误: 18456，严重性: 14，状态: 8。
2017-03-30 19:42:38.27 登录 Login failed for user 'sa'. 原因: 密码与所提供的登录名不匹配。 [客户端: 180.97.83.236]
2017-03-30 19:42:38.27 登录 错误: 18456，严重性: 14，状态: 8。
2017-03-30 19:42:38.27 登录 Login failed for user 'sa'. 原因: 密码与所提供的登录名不匹配。 [客户端: 180.97.83.236]
2017-03-30 19:42:38.29 登录 错误: 18456，严重性: 14，状态: 8。
2017-03-30 19:42:38.29 登录 Login failed for user 'sa'. 原因: 密码与所提供的登录名不匹配。 [客户端: 180.97.83.236]
