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Author: m | 2025-04-24

Trying to update all our SQL 2025 servers to SP2 CU 15, but am running into: The version of SQL Server instance MSSQLSERVER does not match the version expected by the SQL Server update. The installed SQL Server product version is .0, and the expected SQL Server version is .0. SSMS shows the server to be at .0 SQL Server 2025 (15.x) Standard: SQL Server 2025 (12.x) SP2 Web: SQL Server 2025 (15.x) Enterprise SQL Server 2025 (15.x) Standard SQL Server 2025 (15.x) Web: SQL

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Parameter. Setup installs only 1 tempdb data file.SQL Server Database Engine/SQLTEMPDBFILESIZEApplies to: SQL Server 2016 (13.x) and later versionsOptionalSpecifies the initial size of each tempdb data file.Default = 4 MB for SQL Server Express, 8 MB for all other editionsMin = 4 MB or 8 MBMax = 1024 MBSQL Server Database Engine/SQLTEMPDBFILEGROWTHOptionalSpecifies the file growth increment of each tempdb data file in MB. A value of 0 indicates that automatic growth is off and no additional space is allowed. Setup allows the size up to 1024.Default value: 64. Allowed range: Min = 0, Max = 1024SQL Server Database Engine/SQLTEMPDBLOGFILESIZEApplies to: SQL Server 2016 (13.x) and later versionsOptionalSpecifies the initial size of the tempdb log file in MB. Setup allows the size up to 1024.Default value:4 for SQL Server Express8 for all other editionsAllowed range: Min = default value (4 or 8), Max = 1024SQL Server Database Engine/SQLTEMPDBLOGFILEGROWTHApplies to: SQL Server 2016 (13.x) and later versionsOptionalSpecifies the file growth increment of the tempdb log file in MB. A value of 0 indicates that automatic growth is off and no additional space is allowed. Setup allows the size up to 1024.Default value: 64. Allowed range: Min = 0, Max = 1024SQL Server Database Engine/SQLUSERDBDIROptionalSpecifies the directory for the data files for user databases.Default value: \\MSSQL\DataSQL Server Database Engine/SQLSVCINSTANTFILEINITOptionalEnables instant file initialization for SQL Server service account. For security and performance considerations, see Database instant file initialization.Supported values:- False (default)- TrueSQL Server Database Engine/SQLUSERDBLOGDIROptionalSpecifies the directory for the log files for user databases.Default value: \\MSSQL\DataSQL Server Database Engine/SQLMAXDOP=parameterApplies to: SQL Server 2019 (15.x) and later versionsOptional. If omitted on unattended (silent) installs, MAXDOP will align with the max degree of parallelism guidelines.Specifies the max degree of parallelism, which determines how many processors a single statement can utilize during the execution of a single statement.Default value will align with the max degree of parallelism guidelinesSQL Server Database Engine/USESQLRECOMMENDEDMEMORYLIMITSApplies to: SQL Server 2019 (15.x) and later versionsOptional. If /USESQLRECOMMENDEDMEMORYLIMITS, /SQLMINMEMORY, and /SQLMAXMEMORY are omitted on unattended (silent) installs, the SQL Server Database Engine will use the default SQL Server memory configuration.Specifies that the SQL Server Database Engine will use calculated recommended values that align with the server memory configuration guidelines for a standalone SQL Server instance.Note: This parameter can't be used with /SQLMINMEMORY and /SQLMAXMEMORY.SQL Server Database Engine/SQLMINMEMORYApplies to: SQL Server 2019 (15.x) and later versionsOptional. If /USESQLRECOMMENDEDMEMORYLIMITS, /SQLMINMEMORY, and /SQLMAXMEMORY are omitted on unattended (silent) installs, the SQL Server Database Engine will use the default SQL Server memory configuration.Specifies the Min Server Memory configuration in MB.Default value: 0.Note: This parameter can't be used with /USESQLRECOMMENDEDMEMORYLIMITS.SQL Server Database Engine/SQLMAXMEMORYApplies to: SQL Server 2019 (15.x) and later versionsOptional. If /USESQLRECOMMENDEDMEMORYLIMITS, /SQLMINMEMORY, and /SQLMAXMEMORY are omitted on SQL Server (MSSQLSERVER) service entered the stopped state.The Windows system event log shows the following error entry if SQL Server shuts down unexpectedly:Error 3/10/2023 8:37:46 AM Service Control Manager 7034 None The SQL Server (MSSQLSERVER) service terminated unexpectedly. It has done this 1 time(s).Check the end of the SQL Server error log for clues. If the error log ends abruptly, this means that it was shut down by force. For instance, if SQL Server was terminated by using Task Manager, the SQL Server error report wouldn't reveal any information about any internal problems that might have caused the process to shut down.ResolutionEnsure that authorized database and system administrators have access to the system to minimize unexpected terminations of the SQL Server service. After you examine the event logs, investigate why a service had to be terminated unexpectedly.If a SQL Server internal health issue caused SQL Server to terminate unexpectedly, there might be clues of a possible fatal exception (including a memory dump diagnostic file being generated) at the end of the SQL error log. Review the clues and take the necessary action. If you find a dump file, consider contacting Microsoft SQL Server support, and provide the SQL Server error log and dump file content for further investigation.Lease time-out: An Always On health eventAlways On uses a "lease" mechanism to monitor the health of the computer on which SQL Server is installed. The default lease time-out is 20 seconds.SymptomsHere's a sample output of an Always On lease time-out from the cluster log. You can search these strings to locate a lease time-out in the cluster log.00001a0c.00001c5c::2023/01/04-15:36:54.762 ERR [RES] SQL Server Availability Group : [hadrag] Availability Group lease is no longer valid 00001a0c.00001c5c::2023/01/04-15:36:54.762 ERR [RES] SQL Server Availability Group : [hadrag] Resource Alive result 0. 00001a0c.00001c5c::2023/01/04-15:36:54.762 WARN [RES] SQL Server Availability Group: [hadrag] Lease timeout detected, logging perf counter data collected so far00001a0c.00001c5c::2023/01/04-15:36:54.762 WARN [RES] SQL Server Availability Group: [hadrag] Date/Time, Processor time(%), Available memory(bytes), Avg disk read(secs), Avg disk write(secs)00001a0c.00001c5c::2023/01/04-15:36:54.762 WARN [RES] SQL Server Availability Group: [hadrag] 1/4/2023 15:35:57.0, 98.068572, 509227008.000000, 0.000395, 0.000350 00001a0c.00001c5c::2023/01/04-15:36:54.762 WARN [RES] SQL Server Availability Group: [hadrag] 1/4/2023 15:36:7.0, 12.314941, 451817472.000000, 0.000278, 0.000266 00001a0c.00001c5c::2023/01/04-15:36:54.762 WARN [RES] SQL Server Availability Group: [hadrag] 1/4/2023 15:36:17.0, 17.270742, 416096256.000000, 0.000376, 0.000292 00001a0c.00001c5c::2023/01/04-15:36:54.762 WARN [RES] SQL Server Availability Group: [hadrag] 1/4/2023 15:36:27.0, 38.399895, 416301056.000000, 0.000446, 0.000304 00001a0c.00001c5c::2023/01/04-15:36:54.762 WARN [RES] SQL Server Availability Group: [hadrag] 1/4/2023 15:36:37.0, 100.000000, 417517568.000000, 0.001292, 0.000666For more information about lease time-out, see the Lease Mechanism section in Mechanics and guidelines of lease, cluster, and health check timeouts for Always On availability groups.Diagnose and resolve Always On lease time-out eventsThere are two main issues that can trigger a lease time-out:SQL Server memory dump: When SQL Server detects certain

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ReadLatency = CASE WHEN num_of_reads = 0 THEN 0 ELSE (io_stall_read_ms / num_of_reads) END, ` WriteLatency = CASE WHEN num_of_writes = 0 THEN 0 ELSE (io_stall_write_ms / num_of_writes) END, ` AvgLatency = CASE WHEN (num_of_reads = 0 AND num_of_writes = 0) THEN 0 ` ELSE (io_stall / (num_of_reads + num_of_writes)) END,` LatencyAssessment = CASE WHEN (num_of_reads = 0 AND num_of_writes = 0) THEN 'No data' ELSE ` CASE WHEN (io_stall / (num_of_reads + num_of_writes)) Look at the AvgLatency and LatencyAssessment columns to understand the latency details.Error 833 reported in Errorlog or Application Event logIn some cases, you may observe error 833 SQL Server has encountered %d occurrence(s) of I/O requests taking longer than %d seconds to complete on file [%ls] in database [%ls] (%d) in the error log. You can check SQL Server error logs on your system by running the following PowerShell command:Get-ChildItem -Path "c:\program files\microsoft sql server\mssql*" -Recurse -Include Errorlog | Select-String "occurrence(s) of I/O requests taking longer than Longer than 15 secs"Also, for more information on this error, see the MSSQLSERVER_833 section.Step 2: Do Perfmon Counters indicate I/O latency?If SQL Server reports I/O latency, refer to OS counters. You can determine if there's an I/O problem by examining the latency counter Avg Disk Sec/Transfer. The following code snippet indicates one way to collect this information through PowerShell. It gathers counters on all disk volumes: "_total". Change to a specific drive volume (for example, "D:"). To find which volumes host your database files, run the following query in your SQL Server:#replace with server\instance or server for default instance$sqlserver_instance = "server\instance" sqlcmd -E -S $sqlserver_instance -Q "SELECT DISTINCT LEFT(volume_mount_point, 32) AS volume_mount_point ` FROM sys.master_files f ` CROSS APPLY sys.dm_os_volume_stats(f.database_id, f.file_id) vs"Gather Avg Disk Sec/Transfer metrics on your volume of choice:clear$cntr = 0 # replace with your server name,. Trying to update all our SQL 2025 servers to SP2 CU 15, but am running into: The version of SQL Server instance MSSQLSERVER does not match the version expected by the SQL Server update. The installed SQL Server product version is .0, and the expected SQL Server version is .0. SSMS shows the server to be at .0

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Setup Control/QS or /QUIETSIMPLEOptionalSpecifies that Setup runs and shows progress through the UI, but doesn't accept any input or show any error messages.Database Engine Setup Control/HIDECONSOLEOptionalSpecifies that the console window is hidden or closed.Database Engine Setup Control/CONFIRMIPDEPENDENCYCHANGERequiredIndicates the consent to set the IP address resource dependency from OR to AND for multi-subnet failover clusters. For more information, see Add or Remove Nodes in a SQL Server Database Engine failover Cluster (Setup).Supported values:- 0 = False (default)- 1 = TrueSample syntaxTo remove a node from an existing failover cluster instance with the Database Engine and Analysis Services.setup.exe /q /ACTION=RemoveNode /INSTANCENAME="" [/INDICATEPROGRESS] /CONFIRMIPDEPENDENCYCHANGE=0 Service account parametersYou can configure the SQL Server services by using a built-in account, local account, or domain account.For more information about service account configuration, see Configure Windows service accounts and permissions.SQL Server Database Engine componentAccount parameterPassword parameterStartup typeSQL Server Agent/AGTSVCACCOUNT/AGTSVCPASSWORD/AGTSVCSTARTUPTYPEAnalysis Services/ASSVCACCOUNT/ASSVCPASSWORD/ASSVCSTARTUPTYPESQL Server Database Engine/SQLSVCACCOUNT/SQLSVCPASSWORD/SQLSVCSTARTUPTYPEIntegration Services/ISSVCACCOUNT/ISSVCPASSWORD/ISSVCSTARTUPTYPEReporting Services/RSSVCACCOUNT/RSSVCPASSWORD/RSSVCSTARTUPTYPENoteReporting Services features were removed from SQL Server 2017 (14.x). The account parameters for SQL Server Reporting Services are only applicable to versions prior to SQL Server 2017 (14.x). Feature parametersTo install specific features, use the /FEATURES parameter and specify the parent feature or feature values in the following table.For a list of features supported by the editions of SQL Server on Windows, see:Editions and supported features of SQL Server 2022Editions and supported features of SQL Server 2019Editions and supported features of SQL Server 2017Editions and supported features of SQL Server 2016Parent feature parameterFeature parameterDescriptionSQLInstalls the SQL Server Database Engine, Replication, Fulltext, and Data Quality Server.SQLEngineInstalls just the SQL Server Database Engine.ReplicationInstalls the Replication component along with SQL Server Database Engine.FullTextInstalls the FullText component along with SQL Server Database Engine.DQCopies the files required for completing the Data Quality Server installation. After completing SQL Server installation, you must run the DQSInstaller.exe file to complete the Data Quality Server installation. For more information, see Run DQSInstaller.exe to Complete Data Quality Server Installation. This also installs SQL Server Database Engine.PolyBaseInstalls PolyBase components.PolyBaseCorePair with PolyBase to install PolyBase technology that enables truly integrated querying across Oracle, Teradata, SQL Server and other relational and non-relational data using standard T-SQL statements.Applies to: SQL Server 2019 (15.x) and later versionsPolyBaseJavaIn SQL Server 2019 (15.x) only, pair with PolyBase to install PolyBase Java Connector that enables truly integrated querying across HDFS data using standard T-SQL statements.AdvancedAnalyticsInstalls SQL Server Machine Learning Services or SQL Server 2016 R Services (In-Database).SQL_INST_MRPair with AdvancedAnalytics to install R Open and proprietary R packages.Applies to: SQL Server Machine Learning Services (2017 and 2019) and SQL Server 2016 R Services (In-Database)SQL_INST_MPYPair with AdvancedAnalytics to install Anaconda and proprietary Python packages.Applies to: SQL Server Machine Learning Services (2017 and 2019)SQL_INST_JAVAPair with AdvancedAnalytics to install extensions that enable integration with Healthy with given HealthCheckTimeout and FailureConditionLevel. The distinction for a SQL Server health event is that it reports that the SQL Server component changed from "warning" to "error."INFO [RES] SQL Server Availability Group: [hadrag] SQL Server component 'system' health state has been changed from 'warning' to 'error' at 2019-06-20 15:05:52.330ERR [RES] SQL Server Availability Group: [hadrag] Failure detected, the state of system component is errorERR [RES] SQL Server Availability Group : [hadrag] Availability Group is not healthy with given HealthCheckTimeout and FailureConditionLevelERR [RES] SQL Server Availability Group : [hadrag] Resource Alive result 0.ERR [RES] SQL Server Availability Group: [hadrag] Failure detected, the state of system component is errorWARN [RHS] Resource contoso-ag IsAlive has indicated failure.INFO [RCM] HandleMonitorReply: FAILURENOTIFICATION for 'contoso-ag', gen(0) result 1/0.Diagnose SQL Server health eventsThe kind of health issue that's reported by SQL Server health should dictate the direction of the root cause analysis.By default, when you deploy an availability group, the FAILURE_CONDITION_LEVEL is set as three. This activates monitoring of some, but not all SQL Server health profiles. At the default level, Always On triggers a health event when SQL Server produces too many dump files, a write-access violation, or an orphaned spinlock. Setting the availability group up to level four or five will expand the types of SQL Server health issues that are monitored. For more information about the SQL Server health Always On monitors, see Configure a flexible automatic failover policy for an availability group - SQL Server Always On.To identify the Always On specific health issue, follow these steps:Open the SQL Server cluster diagnostic extended event logs on the primary replica to the time of the suspected SQL Server health event occurred.In SSMS, go to File > Open, and then select Merge Extended Event Files.Select Add.In the File Open dialog box, navigate to the files in the SQL Server \LOG directory.Press Control, select the files whose names match __SQLDIAG_xxx.xel, and then select Open > OK.You'll see a new tabbed window in SSMS that includes the extended events, as shown in the following screenshot.To investigate a SQL Server health issue, locate the component_health_result whose state_desc value is error. Here's an example of a system component event that reported an error back to Always On health monitoring:Double-click the data column in the lower pane. This opens the detailed component data in a new SSMS window pane for review. Here's what the system component data looks like:Notice that the 'totalDumprequests=186' data indicates there have been too many dump file diagnostic events generated on this SQL Server. This is the reason that the system component reported an error state. When Always On health monitoring receives this error state, it triggers an availability group health event. You can also

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C4 = None # Create bindings for the parameter IfxPy.bind_param(stmt, 1, c1, IfxPy.SQL_PARAM_INPUT, IfxPy.SQL_INTEGER) IfxPy.bind_param(stmt, 2, c2, IfxPy.SQL_PARAM_INPUT, IfxPy.SQL_CHAR) IfxPy.bind_param(stmt, 3, c1, IfxPy.SQL_PARAM_INPUT, IfxPy.SQL_INTEGER) IfxPy.bind_param(stmt, 4, c1, IfxPy.SQL_PARAM_INPUT, IfxPy.SQL_INTEGER) print("Inserting Recors ......") i = 0 while i 10: i += 1 c1 = 100 + i c2 = "Testing {0}".format(i) c3 = 20000 + i c4 = 50000 + i # supply new values as a tuple IfxPy.execute(stmt, (c1, c2, c3, c4) ) # Try select those rows we have just inserted print("Selecting Recors ......") sql = "SELECT * FROM t1" stmt = IfxPy.exec_immediate(conn, sql) tu = IfxPy.fetch_tuple(stmt) rc = 0 while tu != False: rc += 1 print( tu ) tu = IfxPy.fetch_tuple(stmt) print() print( "Total Record Inserted {}".format(i) ) print( "Total Record Selected {}".format(rc) ) # Free up memory used by result and then stmt too IfxPy.free_result(stmt) IfxPy.free_stmt (stmt) # close the connection IfxPy.close(conn) print ("Done")####### Run the sample function ######my_Sample()Param Binding of Collection and User Defined Data Types# Sample3.pyimport IfxPydef my_Sample(): ConStr = "SERVER=ids0;DATABASE=db1;HOST=127.0.0.1;SERVICE=9088;UID=informix;PWD=xxxxx;" try: # netstat -a | findstr 9088 conn = IfxPy.connect( ConStr, "", "") except Exception as e: print ('ERROR: Connect failed') print ( e ) quit() try: sql = "drop table rc_create;" print ( sql ) stmt = IfxPy.exec_immediate(conn, sql) except: print ('FYI: drop table failed') sql = "DROP ROW TYPE if exists details RESTRICT;" IfxPy.exec_immediate(conn, sql) sql = "DROP ROW TYPE if exists udt_t1 RESTRICT;" IfxPy.exec_immediate(conn, sql) sql = "CREATE ROW TYPE details(name varchar(15), addr varchar(15), zip varchar(15) );" stmt = IfxPy.exec_immediate(conn,

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Statements, the following events are also required:Exec Prepared SQLPrepare SQLAll input trace data must contain the following columns:Event ClassEventSequenceTextDataApplication NameLoginNameDatabaseNameDatabase IDHostNameBinary DataSPIDStart TimeEndTimeIsSystemSupported input trace and target server combinationsThe following table lists the supported versions of trace data, and for each, the supported versions of SQL Server that data can be replayed against.Version of input trace dataSupported versions of SQL Server for the target server instanceSQL Server 2005 (9.x)SQL Server 2008 (10.0.x), SQL Server 2008 R2 (10.50.x), SQL Server 2012 (11.x), SQL Server 2014 (12.x), SQL Server 2016 (13.x), SQL Server 2017 (14.x), SQL Server 2019 (15.x)SQL Server 2008 (10.0.x)SQL Server 2008 (10.0.x), SQL Server 2008 R2 (10.50.x), SQL Server 2012 (11.x), SQL Server 2014 (12.x), SQL Server 2016 (13.x), SQL Server 2017 (14.x), SQL Server 2019 (15.x)SQL Server 2008 R2 (10.50.x)SQL Server 2008 R2 (10.50.x), SQL Server 2012 (11.x), SQL Server 2014 (12.x), SQL Server 2016 (13.x), SQL Server 2017 (14.x), SQL Server 2019 (15.x)SQL Server 2012 (11.x)SQL Server 2012 (11.x), SQL Server 2014 (12.x), SQL Server 2016 (13.x), SQL Server 2017 (14.x), SQL Server 2019 (15.x)SQL Server 2014 (12.x)SQL Server 2014 (12.x), SQL Server 2016 (13.x), SQL Server 2017 (14.x), SQL Server 2019 (15.x)SQL Server 2016 (13.x)SQL Server 2016 (13.x), SQL Server 2017 (14.x), SQL Server 2019 (15.x)SQL Server 2017 (14.x)SQL Server 2017 (14.x), SQL Server 2019 (15.x)SQL Server 2019 (15.x)SQL Server 2019 (15.x)Operating system requirementsSupported operating systems for running the administration tool and the controller and client services is the same as your SQL Server instance. For more information about which operating systems are supported for your SQL Server instance, see SQL Server 2016 and 2017: Hardware and software requirements.Distributed Replay features are supported on both x86-based and x64-based operating systems. For x64-based operating systems, only Windows on Windows (WOW) mode is supported.Installation limitationsAny one computer can only have a single instance of each Distributed Replay feature installed. The following table lists how many installations of each feature are allowed in a single Distributed Replay environment.Distributed Replay FeatureMaximum Installations Per Replay EnvironmentSQL Server Distributed Replay controller service1SQL Server Distributed Replay client service16 (physical or virtual computers)Administration toolUnlimitedNoteAlthough. Trying to update all our SQL 2025 servers to SP2 CU 15, but am running into: The version of SQL Server instance MSSQLSERVER does not match the version expected by the SQL Server update. The installed SQL Server product version is .0, and the expected SQL Server version is .0. SSMS shows the server to be at .0 SQL Server 2025 (15.x) Standard: SQL Server 2025 (12.x) SP2 Web: SQL Server 2025 (15.x) Enterprise SQL Server 2025 (15.x) Standard SQL Server 2025 (15.x) Web: SQL

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Errors related to the network adapter. Also check for failures in any other network components to which the node is connected such as hubs, switches, or bridges.Diagnose a cluster health eventThe errors in the Windows event log (Events 1135 and 1177) suggest that network connectivity is a cause of the event. This is the most common reason that a cluster health issue is detected. The following example shows that other cluster member servers couldn't communicate with this server that hosts the availability group primary replica, and that this problem triggered the removal of the cluster node from the cluster:00000fe4.00001edc::2022/12/14-22:44:36.870 INFO [NODE] Node 1: New join with n3: stage: 'Attempt Initial Connection' status (10060) reason: 'Failed to connect to remote endpoint '00000fe4.00001620::2022/12/15-14:26:02.050 INFO [IM] got event: Remote endpoint unreachable from 00000fe4.00001620::2022/12/15-14:26:02.050 WARN [NDP] All routes for route (virtual) local to remote are down00000fe4.0000179c::2022/12/15-14:26:02.053 WARN [NODE] Node 1: Connection to Node 2 is broken. Reason GracefulClose(1226)' because of 'channel to remote endpoint is closed'You can search the cluster log for evidence of a connection failure to the node. From the location in the cluster log where you found Lost quorum, search backwards for strings such as Failed to connect to remote endpoint, unreachable, and is broken.ResolutionMake sure that cluster health monitoring is appropriate for the host environment. For more information about SQL Server Always On availability groups that are hosted in Microsoft Azure, see Windows Server Failover Cluster overview - SQL Server on Azure VMs.If it's necessary, consider contacting Microsoft Windows High Availability support to open a support incident.SQL Server service is down: An Always On health eventAlways On health monitoring can detect whether the SQL Server service that hosts the availability group primary replica is no longer running.SymptomsHere's a sample of the cluster log report for the availability group role 'ag' that indicates a failure because QueryServiceStatusEx returned a process ID 0:00001898.0000185c::2023/02/27-13:27:41.121 ERR [RES] SQL Server Availability Group : [hadrag] QueryServiceStatusEx returned a process id 000001898.0000185c::2023/02/27-13:27:41.121 ERR [RES] SQL Server Availability Group : [hadrag] SQL server service is not alive00001898.0000185c::2023/02/27-13:27:41.121 ERR [RES] SQL Server Availability Group : [hadrag] Resource Alive result 0.00001898.0000185c::2023/02/27-13:27:41.121 WARN [RHS] Resource ag IsAlive has indicated failure.Diagnose SQL Service shutdown eventsCheck the Windows system event log and SQL Server error log for an unexpected SQL Server shutdown.If SQL Server was shut down by a system shutdown or an administrative shutdown, you would see the following entry in the SQL Server error log:2023-03-10 09:38:46.73 spid9s SQL Server is terminating in response to a 'stop' request from Service Control Manager. This is an informational message only. No user action is required.The Windows system event log would show the following error entry:Information 3/10/2023 9:41:06 AM Service Control Manager 7036 None The