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VB Forum / COM / December 2005COM Remote Server Machine Unavailable, Event 10016
Hi everyone... I've got a problem with a new piece of software we just started reselling. It's a client/server app written in VB 5 - the server runs a webserver for document management. From what I can tell the Dart Web service that it is using is trying to access some activex or create a COM object. When it does so, the app server errors out with "The remote server machine does not exist or is unavailable". I'm also getting a System Error, Event ID:10016 (Local Activation permissions not granted to user NT AUTHORITY\NETWORK SERVICE for Machine Debug Manager). Looked up error and added permissions for that user for local activation, still getting the same error every hour or two. Anyone have ideas? The software author is lost too. Thanks Hi From your description, it seems that your Webserver app will try to call a COM object, and the COM is hosted in a DCOM or COM+. But the host's machine is not available. So far I think you may try to check if that machine is running and try to run your application under your domain account which also have permisson on the remote host machine. Now it seems that your application is using NT AUTHORITY\NETWORK SERVICE, which have no permisson on another machine. You may have a try and let me know the result. Best regards, Peter Huang Microsoft Online Partner Support Get Secure! - www.microsoft.com/security This posting is provided "AS IS" with no warranties, and confers no rights. Peter, The webserver isn't trying to access a COM object on another machine. Just to make sure I watched the ports being accessed using Systernals TCP View, and the webserver app never made any calls to a remote endpoint, only loopbacks. (note: the Windows Firewall service is disabled, but is getting an ipnat.sys error when you attempt to open it thru control panel) Right now I am just trying to get the client & server running on the same server. However, when I attempt to access the client app setup file (this request is what should create the COM object) from the web, it errors out. So, right now there are no other machines that connect to the server, or are being connected to. This is completely standalone. This server in question is running Windows Server 2003 SP1 Standard, is not joined to a domain, it is on a workgroup. I did change the Access, and the Launch and Activation permissions using dcomcnfg to explicitly allow the NETWORK SERVICE user, and this made no difference. I still recieved the error. I was able to install the software on another PC on the workgroup without any issues whatsoever, and without having to change any permissions or anything, which would lead me to believe there is something wrong with the Component Services on the machine that is getting the errors. Thanks Chris Peter Huang [MSFT] wrote: > Hi > [quoted text clipped - 15 lines] > Get Secure! - www.microsoft.com/security > This posting is provided "AS IS" with no warranties, and confers no rights. Hi Based on your description so far, I understand that your WebServer will call a COM object and that is what cause the error. The COM object is located on the localmachine in a COM+ service. If you install the WebServer and COM object on another machine, all works fine. If I misunderstood, please describe your scenario more detailed. So far we can try to make a simple VB6 com dll and install into the com+ on the problem machine to see if that works. So that we can make sure the COM+ service working well. If that is true, we may try reinstall the COM Object in COM+ to see if that works. or, delete the COM Object from the COM+, that is to say call the COM Dll from webserver directly to see if that works. Also please check the eventlog to see if there is any security denied event. Please perform the test and let me know the result. Best regards, Peter Huang Microsoft Online Partner Support Get Secure! - www.microsoft.com/security This posting is provided "AS IS" with no warranties, and confers no rights. |
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