Getobject Winmgmts Error Handling
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to vote Hi All,Please can somone tell me where I'm going wrong with this? The code error handling in vbscript tutorial below forms part of a function which I call passing different server names. If the server name exists I get the expected no error servername but if it
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doesn't I don't get anything I'm not able to get the code within the if statement to run?TIA, Roberr.clearSet objReg = GetObject("winmgmts:{impersonationLevel=impersonate}!\\" & strComputer & "\root\default:StdRegProv")if err.number <> 0 Then wscript.echo "error " & strcomputerelse wscript.echo "no error " & strcomputerend if Friday, August 14, 2009 2:26 PM Reply | Quote Answers 1 Sign vbscript error handling best practices in to vote Put the code that gets the registry values and writes to the log file in your Else block so it executes only if the remote computer StdRegProv is accessible: Const ForWriting = 2 Const HKEY_LOCAL_MACHINE = &H80000002 Set objFso = CreateObject("Scripting.FileSystemObject") For Each strComputer In Array("MadeUp1", ".", "MadeUp2") AuditServer strComputer Next Function AuditServer(strComputer) Set objLogFile = objFSO.CreateTextFile _ ("c:\scripts\Auditfiles\" & strComputer & ".html", ForWriting) On Error Resume Next Set objReg = GetObject("winmgmts:{impersonationLevel=impersonate}!\\" _ & strComputer & "\root\default:StdRegProv") If Err.number <> 0 Then objLogFile.Write "Error connecting to: " _ & strComputer & "
" & vbCrLf Else objLogFile.Write "Applications
" & vbCrLf strKeyPath = "SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall" objReg.EnumKey HKEY_LOCAL_MACHINE, strKeyPath, arrSubKeys For Each subkey In arrSubKeys strSubKeyPath = strKeyPath & "\" & subkey strString = "DisplayName" objReg.GetStringValue HKEY_LOCAL_MACHINE, _ strSubKeyPath, strString, strDisplayName strString = "DisplayVersion" objReg.GetStringValue HKEY_LOCAL_MACHINE, _ strSubKeyPath, strString, strDisplayVersion strDisplayName=Trim(strDisplayName) strDisplayVersion=Trim(strDisplayVersion) If strDisplayName <> "" And strDisplayVersion <> "" Then objLogFile.Write " " & strDisplayName & " " _ & strDisplayVersion & "
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be auto redirected in 1 second. Using WMI Creating WMI Clients Manipulating Class and Instance Information Manipulating Class and Instance vbscript error message Information Retrieving an Error Code Retrieving an Error Code Retrieving an Error Code Retrieving WMI Class or Instance Data Retrieving an Error Code Modifying an Instance Property Changing the Inheritance of an https://social.technet.microsoft.com/Forums/scriptcenter/en-US/e641f4c8-56eb-4c64-8672-4455d6a6aa9e/vbscript-help-with-wmi-error-handling?forum=ITCG Instance Modifying a Method Enumerating WMI Querying WMI Calling a WMI Method Accessing a WMI Collection TOC Collapse the table of content Expand the table of content This documentation is archived and is not being maintained. This documentation is archived and is not being maintained. Retrieving an Error Code As with all applications, WMI receives error codes from the Windows operating system. When you receive https://msdn.microsoft.com/en-us/library/aa393242(v=vs.85).aspx an error code, you have the following options: Look at the event log. WMI sends error messages to the Event Log service that checks the event logs to help determine the cause of an error. You can use the classes that the Event Log provider supports to access event logs programmatically. Retrieve the error code normally. WMI supports the standard techniques to retrieve error codes, which are COM error codes for C++, and native error objects, such as Err Object (VBScript), or SWbemLastError if the provider supplies error information. For more information, see Manipulating Class and Instance Information. The following sections are discussed in this topic: Handling an Error with VBScript Handling an Error Using C++ Handling an Error with VBScript If a call to WMI through the Scripting API for WMI causes an error, you have the following options to access the error information: Use native error mechanisms of the scripting language, for example, in VBScript use Err Object (VBScript) to support error handling. Create an SWbemLastError object to get an error report. The following script shows use of the native Err Object (VBScript). When an incorrect value for the proc
Message c4sh Total Posts : 5 Scores: 0 Reward points : 0 http://www.visualbasicscript.com/Error-Handling-with-objWMIService-GetObjectquotwinmgmts9292quot-m93693.aspx Joined: 9/12/2011 Status: offline Error Handling with objWMIService https://www.experts-exchange.com/questions/27511596/VBScript-hanging-on-WMI-Query-dispite-error-handling.html = GetObject("winmgmts:\\" Sunday, September 18, 2011 7:38 PM (permalink) 0 Hello i would like to prevent my script from a runtime in line 26 if the object objWMIService in line 24 was successfully initiated. but i error handling always get the error, that there is no objWMIService. How I check if objWMIService = GetObject("winmgmts:\\" & arrFileLines(i) & "\root\cimv2") was successfull without getting a runtime? Attached my source code. thanks for any help! 'Deklaration arrNewDNSServerSearchOrder = Array("10.54.56.10","10.54.56.10") strNewWins1 = "10.54.60.111" strNewWins2 = "10.54.60.112" vbscript on error strComputerlist = ".\list.txt" strErrorlist = ".\error.txt" Dim strArrError ' Set wshShell = WScript.CreateObject( "WScript.Shell" ) If wshShell.ExpandEnvironmentStrings( "%USERDOMAIN%" ) = "XXXXX" Then Set objFSO = CreateObject("Scripting.FileSystemObject") Set objFile = objFSO.OpenTextFile(strComputerlist, ForReading) Const ForReading = 1 Dim arrFileLines() i = 0 Do Until objFile.AtEndOfStream Redim Preserve arrFileLines(i) arrFileLines(i) = objFile.ReadLine On Error Resume Next objWMIService = GetObject("winmgmts:\\" & arrFileLines(i) & "\root\cimv2") On Error Goto 0 If objWMIService = nothing then strArrError(i) = "Host " & arrFileLines(i) & " does not exist." Else Set colNetAdapters = objWMIService.ExecQuery ("Select * from Win32_NetworkAdapterConfiguration " & "where IPEnabled=TRUE ") For Each objNetAdapter in colNetAdapters intSetWinsServers= objNetAdapter.SetWINSServer(strNewWins1, strNewWins2) If intSetWinsDNSServers = 0 Then strArrError(i) = arrFileLines(i) & " changed
for Help Receive Real-Time Help Create a Freelance Project Hire for a Full Time Job Ways to Get Help Ask a Question Ask for Help Receive Real-Time Help Create a Freelance Project Hire for a Full Time Job Ways to Get Help Expand Search Submit Close Search Login Join Today Products BackProducts Gigs Live Careers Vendor Services Groups Website Testing Store Headlines Experts Exchange > Questions > VBScript hanging on WMI Query dispite error handling Want to Advertise Here? Solved VBScript hanging on WMI Query dispite error handling Posted on 2011-12-28 VB Script Windows Server 2003 1 Verified Solution 7 Comments 1,901 Views Last Modified: 2012-05-12 I have a script that is very long that is hanging upon a WMI query to a particular host. Rather then trying to fix the orginal script I created this small snippet to test my code. This code hangs for several hours until I kill the process. Just a note it works on all other servers just fine. I can also remote into, and manage remotely this server through windows tools. I should also not that it is line 3 that creates the issues as I have added msgbox outputs to see where the hanging begins. It is not my desire to fix the problematic server, rather to correct the script to handle this situation. Thanks, ON ERROR RESUME NEXT strComputer = "problemserver" Set objWMIService = GetObject("winmgmts:" _ & "{impersonationLevel=impersonate}!\\" & strComputer & "\root\cimv2") Set colItems = objWMIService.ExecQuery("Select Description from Win32_PnPEntity") For Each objItem in colItems Wscript.Echo "Description: " & objItem.Description Wscript.Echo Next Select all Open in new window 0 Question by:bbcac Facebook Twitter LinkedIn Google LVL 65 Active 3 days ago Best Solution byRobSampson If WMI *is* broken on the target system, then no amount of WMI error checking will allow you to gather information. You can use this code, which is the same as the code I posted, except that it doesn't Go to Solution 7 Comments LVL 38 Overall: Level 38 Windows Server 2003 6 VB Script 2 Message Active 1 day ago Expert Comment by:Rich Rumble2011-12-28 Have you tried without the "impersonate" part: Set objWMIService = GetObject("winmgmts:\\" & strComputer &