SnapCenter to windows plugin proxy errors
Applies to
- SnapCenter Server (SC)
- SnapCenter Plug-in for Micrsoft Windows(SCW)
- SnapCenter Plug-in for Microsoft SQL Server (SCSQL)
- SnapCenter Plug-in for Micorsoft Exchange(SCE)
Issue
SC to plugin communication reports one or more of the following proxy errors:
- SnapManagerWeb log
:
ERROR SnapManagerWeb_126 PID=[4232] TID=[41] ErrorCode (-1), ErrorMessage (The proxy tunnel request to proxy 'http://proxy_FQDN:3128/' failed with status code '407'.")
- SMCoreService log
:
2025-08-02T06:28:37.9512861+00:00 ERROR SMCore PID=[10020] TID=[8] Exception caught while invoking https://SQL.server.com:8145/SnapDrive/SnapDrivePlugIn/discoverplugin2025-08-02T06:28:37.9524071+00:00 ERROR SMCore PID=[10020] TID=[8] Exception in method: InvokeXML.
System.Net.Http.HttpRequestException: No such host is known. (proxy.service.com:80)
---> System.Net.Sockets.SocketException (11001): No such host is known.
at System.Net.Sockets.Socket.AwaitableSocketAsyncEventArgs.ThrowException(SocketError error, CancellationToken cancellationToken)
- EMS log
:
Fri Aug 01 18:29:17 -0500 [Cluster-s04: svc_queue_thread: app.log.err:error]: MS_SQL: SnapCenter Software 6.0.0.3793: (1002) Error: Job [262877] Activity [Discovering Resources] failed with error: Object reference not set to an instance of an object.
[?] Fri Aug 01 18:29:17 -0500 [Cluster-s04: svc_queue_thread: app.log.err:error]: MS_SQL: SnapCenter Software 6.0.0.3793: (1002) Error: Job [262877] Activity [Creating Snapshot copy] failed with error: Unable to find any healthy resource on NetApp storage.
[?] Fri Aug 01 18:29:17 -0500 [Cluster-s04: svc_queue_thread: app.log.err:error]: MS_SQL: SnapCenter Software 6.0.0.3793: (1002) Error: Job [262877] Activity [Grouping Resources] failed with error: The following activities failed:Discovering Resources,Creating Snapshot copy. Please check the activities for detailed error message.
[?] Fri Aug 01 18:29:17 -0500 [Cluster-s04: svc_queue_thread: app.log.err:error]: MS_SQL: SnapCenter Software 6.0.0.3793: (1002) Error: Job [262877] Activity [Creating SQL Backup] failed with error: The following activities failed:Discovering Resources,Creating Snapshot copy,Grouping Resources. Please check the activities for detailed error message.
[?] Fri Aug 01 18:29:17 -0500 [Cluster-s04: svc_queue_thread: app.log.notice:notice]: MS_SQL: SnapCenter Software 6.0.0.3793: (1001) Info: Backup job [262877], Host Name [MS_SQL.Demo.com], Host OS [Microsoft Windows Server 2016 Standard], Plugin [SMSQL], Resource Group [1507_MS_SQL], Resource Group Size [12], Policy [Daily_Full_Backup], status [completed with errors], Completion Time [00:00:08]
[?] Fri Aug 01 18:29:17 -0500 [Cluster-s04: svc_queue_thread: callhome.client.app.notice:notice]: Call home for CLIENT APP NOTICE Info: SnapCenter Software 6.0.0.3793: (1001) on MS_SQL: Backup job [262877], Host Name [MS_SQL.Demo.com], Host OS [Microsoft Windows Server 2016 Standard], Plugin [SMSQL], Resource Group [1507_MS_SQL], Resource Group Size [12], Policy [Daily_Full_Backup], status [completed with errors], Completion Time [00:00:08]