BizTalk Administration Console Error: The snap-in performed a non-valid operation and has been unloaded. To continue working with this snap-in, restart MMC or try loading the snap-in again

Recently a client call me reporting a strange behavior on the BizTalk Server Administration Console. Based on what was reported to me, some updates were applied to the server at the level of the operating system and that after installation, they would have performed a controlled restart to the environment. However, after the environment is back once again online when trying to access the administrative console, they got the following error:

The snap-in performed a non-valid operation and has been unloaded. To continue working with this snap-in, restart MMC or try loading the snap-in again.

Machine generated alternative text:
Eile Action giew Window 
Console Raat 
BizTaIk Server Administration 
BizTaIk Health Monitor 
Event Viewer (Local) 
BizTalk Server Administration Console 
Help 
Snap -in Unavailable 
This snap-in performed a nan-valid operatian and has been unlaaded. Ta continue working with this 
snap-in, restart MMC ar try Iaading the snap-in again. 
Exceptian Type: System.NuIIReferenceExceptian 
Exceptian Message: Object reference nat set ta an instance af an abject. 
Microsoft. BizTaIk.ExceptianMessageBax.BtsExceptianMessageBax.RepracessManagementExceptian(Exceptia 
exceptian, Exceptian newInnerExceptian) 
Microsoft. BizTaIk.ExceptianMessageBax.BtsExceptianMessageBax.RepracessSpecificExceptians(Exceptian 
exceptian, Exceptian newInnerExceptian) 
Microsoft. BizTaIk.ExceptianMessageBax.BtsExceptianMessageBax.RepracessExceptianRecursive(Exceptian 
exceptian) 
at Microsoft.BizTaIk.ExceptianMessageBax.BtsExceptianMessageBax..ctar(Exceptian exceptian, 
ExceptianMessage8ax8uttans buttans, ExceptianMessage8axSymbaI symbal) 
at Microsoft.8izTaIk.SnapIn.Framewark.FramewarkNatificatian.Shaw(Exceptian exceptian, String captian, 
Message8ax8uttans buttans, Message8axIcan ican, Contral staMarshaIIer, IWin32Windaw parent) 
at Microsoft.8izTaIk.Administratian.SnapIn.GraupNade.FuIIRefresh(Object a, ResultsChangedEventArgs e) 
at Microsoft. BizTaIk.Administratian.SnapIn.GraupNade.OnExpand(AsyncStatus status) 
at Microsoft.ManagementCansaIe.NadeSyncManager.PracessRequest(NadeRequestInfa infa, 
IRequestStatus requestStatus) 
at Microsoft. ManagementCansaIe.NamespaceSnapInBase.PracessRequest(Request request) 
at Microsoft.ManagementCansaIeSnapIn.PracessRequest(Request request) 
Micr asaft. ManagementCansaIe. nter nal Snapl nCIient. Microsoft. ManagementCansaIe. nter nal. MessageCIier 
al 
View 
New Window fram Here 
Help

Just for curiosity, BizTalk Health Monitor, worked perfectly fine. And the BizTalk Server engine was working properly also. It was just a matter of UI.

Cause

I don’t really know the specific reasons that cause this problem, and to be honest, being a production environment, the important was to put everything working again. But in a simple way, this error message normally means that the MMC or one of the snap-ins, in this case, BizTalk Server Administration snap-in did not load correctly.

Restarting the machine again, or even restart the BizTalk Server Administration console doesn’t solve the issue.

Solution

You can troubleshoot fudder this problem and use a tool like System File Checker to scan and see if you find the root of the issue and probably the fix.

However, the simple way to solve this is to:

  • Repair BizTalk Server installation;

Once you repair the installation, everything should be working fine again.

Notice: don’t forget to reinstall the last Cumulative updates.

Author: Sandro Pereira

Sandro Pereira lives in Portugal and works as a consultant at DevScope. In the past years, he has been working on implementing Integration scenarios both on-premises and cloud for various clients, each with different scenarios from a technical point of view, size, and criticality, using Microsoft Azure, Microsoft BizTalk Server and different technologies like AS2, EDI, RosettaNet, SAP, TIBCO etc. He is a regular blogger, international speaker, and technical reviewer of several BizTalk books all focused on Integration. He is also the author of the book “BizTalk Mapping Patterns & Best Practices”. He has been awarded MVP since 2011 for his contributions to the integration community.

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