System.missingmethodexception: method not found 'microsoft.lync.model.lyncclient

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.NET4.6

Hi All,

I have created one application of Lync SDK using dlls

Microsoft.Lync.Controls.dll
Microsoft.Lync.Model.dll
Microsoft.Lync.Utilities.dll
Microsoft.Lync.Controls.Framework.dll
Microsoft.Lync.Controls.Design.dll

All these dlls are copied into bin folder, application is working fine but some machine have same dlls into gac folder my application is not working on that machine and getting error as below

System.MissingMethodException: Method not found: 'Microsoft.Lync.Model.LyncClient Microsoft.Lync.Model.LyncClient.GetClient()'.    at MitelPlugin.Helper.LyncHelper.get_LyncObj()    at MitelPlugin.App..ctor()

I have added following details into config file to enforce to use local assembly but issue is still not resolved 
Please let me know if any other approach (I don’t have option to remove dll from gac)?

<runtime>
    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
	 <runtime>
    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">		
		<dependentAssembly>
			<assemblyIdentity name="Microsoft.Lync.Controls.dll" PublicKeyToken="71e9bce111e9429c" />
			<codebase version="15.0.0.0" href="~\Microsoft.Lync.Controls.dll" />
			<assemblyIdentity name="Microsoft.Lync.Controls.Framework.dll" PublicKeyToken="71e9bce111e9429c" />
			<codebase version="15.0.0.0" href="~\Microsoft.Lync.Controls.Framework.dll" />
			<assemblyIdentity name="Microsoft.Lync.Model.dll" PublicKeyToken="71e9bce111e9429c" />
			<codebase version="15.0.0.0" href="~\Microsoft.Lync.Model.dll" />
			<assemblyIdentity name="Microsoft.Lync.Utilities.dll" PublicKeyToken="71e9bce111e9429c" />
			<codebase version="15.0.0.0" href="~\Microsoft.Lync.Utilities.dll" />
			<assemblyIdentity name="Microsoft.Office.Uc.dll" PublicKeyToken="71e9bce111e9429c" />
			<codebase version="15.0.4454.1509" href="~\Microsoft.Office.Uc.dll" />
		</dependentAssembly>
      <probing privatePath="Skins"/>
    </assemblyBinding>
  </runtime>

What I have tried:

I have added following details into config file to enforce to use local assembly but issue is still not resolved 
Please let me know if any other approach (I don’t have option to remove dll from gac)?

<runtime>
    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
	 <runtime>
    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">		
		<dependentAssembly>
			<assemblyIdentity name="Microsoft.Lync.Controls.dll" PublicKeyToken="71e9bce111e9429c" />
			<codebase version="15.0.0.0" href="~\Microsoft.Lync.Controls.dll" />
			<assemblyIdentity name="Microsoft.Lync.Controls.Framework.dll" PublicKeyToken="71e9bce111e9429c" />
			<codebase version="15.0.0.0" href="~\Microsoft.Lync.Controls.Framework.dll" />
			<assemblyIdentity name="Microsoft.Lync.Model.dll" PublicKeyToken="71e9bce111e9429c" />
			<codebase version="15.0.0.0" href="~\Microsoft.Lync.Model.dll" />
			<assemblyIdentity name="Microsoft.Lync.Utilities.dll" PublicKeyToken="71e9bce111e9429c" />
			<codebase version="15.0.0.0" href="~\Microsoft.Lync.Utilities.dll" />
			<assemblyIdentity name="Microsoft.Office.Uc.dll" PublicKeyToken="71e9bce111e9429c" />
			<codebase version="15.0.4454.1509" href="~\Microsoft.Office.Uc.dll" />
		</dependentAssembly>
      <probing privatePath="Skins"/>
    </assemblyBinding>
  </runtime>

Posted 29-Jul-18 20:20pm

Ganesh_verma

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Comments

Kornfeld Eliyahu Peter 30-Jul-18 3:07am

GetClient() is a static method! How do you call it?

Ganesh_verma 30-Jul-18 8:10am

I have created the instance as below

private static volatile LyncClient lyncObj;
        /// <summary>   The lock. 
 internal static readonly object _lock = new object();

public static LyncClient LyncObj
        {
            get
            {
                if (lyncObj == null)
                {
                    lock (_lock)
                    {
                        if (lyncObj == null)
                        {
                            while (!WaitForLyncStart())
                            {
                                Thread.Sleep(1000);
                            }
                            lyncObj = LyncClient.GetClient();
                        }
                    }
                }
                return lyncObj;
            }
        }

Ganesh_verma 30-Jul-18 8:11am

this is working fine if same dll not available into gac folder of machine

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