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    <title>topic Subscription Failures in Report Server</title>
    <link>https://community.fabric.microsoft.com/t5/Report-Server/Subscription-Failures/m-p/711940#M10605</link>
    <description>&lt;P&gt;We just upgraded our Report Server to the January Version from SSRS 2005(made the hop to 2008 then to the latest version).&amp;nbsp; Now some of our subscriptions are failing to run correctly and I have not been able to determine what is causing the errors.&amp;nbsp; We have subscriptions that send emails, use our own delivery extension and save to a file share.&amp;nbsp; There is no pattern that I can find as to which ones are failing.&amp;nbsp; &amp;nbsp;We even have cases where the report has mutliple subscriptions an only some of them fail.&lt;/P&gt;&lt;P&gt;Error we are seeing in the log files:&lt;/P&gt;&lt;P&gt;library!ReportServer_0-1!2070!06/11/2019-13:25:53:: e ERROR: Throwing Microsoft.ReportingServices.Diagnostics.Utilities.ServerConfigurationErrorException: Unable to load assembly Microsoft.ReportingServices.Cloud.DataExtensions, Microsoft.ReportingServices.Diagnostics.Utilities.ServerConfigurationErrorException: The report server has encountered a configuration error. ---&amp;gt; System.IO.FileNotFoundException: Could not load file or assembly 'Microsoft.ReportingServices.Cloud.DataExtensions' or one of its dependencies. The system cannot find the file specified.&lt;BR /&gt;at System.Reflection.RuntimeAssembly._nLoad(AssemblyName fileName, String codeBase, Evidence assemblySecurity, RuntimeAssembly locationHint, StackCrawlMark&amp;amp; stackMark, IntPtr pPrivHostBinder, Boolean throwOnFileNotFound, Boolean forIntrospection, Boolean suppressSecurityChecks)&lt;BR /&gt;at System.Reflection.RuntimeAssembly.InternalLoadAssemblyName(AssemblyName assemblyRef, Evidence assemblySecurity, RuntimeAssembly reqAssembly, StackCrawlMark&amp;amp; stackMark, IntPtr pPrivHostBinder, Boolean throwOnFileNotFound, Boolean forIntrospection, Boolean suppressSecurityChecks)&lt;BR /&gt;at System.Reflection.RuntimeAssembly.InternalLoad(String assemblyString, Evidence assemblySecurity, StackCrawlMark&amp;amp; stackMark, IntPtr pPrivHostBinder, Boolean forIntrospection)&lt;BR /&gt;at System.Reflection.RuntimeAssembly.InternalLoad(String assemblyString, Evidence assemblySecurity, StackCrawlMark&amp;amp; stackMark, Boolean forIntrospection)&lt;BR /&gt;at System.Reflection.Assembly.Load(String assemblyString)&lt;BR /&gt;at Microsoft.ReportingServices.Diagnostics.ExtensionClassFactory.LoadAssembly(String name)&lt;BR /&gt;--- End of inner exception stack trace ---;&lt;BR /&gt;extensionfactory!ReportServer_0-1!2070!06/11/2019-13:25:53:: e ERROR: Exception caught instantiating DAX report server extension: Microsoft.ReportingServices.Diagnostics.Utilities.ServerConfigurationErrorException: The report server has encountered a configuration error. ---&amp;gt; System.IO.FileNotFoundException: Could not load file or assembly 'Microsoft.ReportingServices.Cloud.DataExtensions' or one of its dependencies. The system cannot find the file specified.&lt;BR /&gt;at System.Reflection.RuntimeAssembly._nLoad(AssemblyName fileName, String codeBase, Evidence assemblySecurity, RuntimeAssembly locationHint, StackCrawlMark&amp;amp; stackMark, IntPtr pPrivHostBinder, Boolean throwOnFileNotFound, Boolean forIntrospection, Boolean suppressSecurityChecks)&lt;BR /&gt;at System.Reflection.RuntimeAssembly.InternalLoadAssemblyName(AssemblyName assemblyRef, Evidence assemblySecurity, RuntimeAssembly reqAssembly, StackCrawlMark&amp;amp; stackMark, IntPtr pPrivHostBinder, Boolean throwOnFileNotFound, Boolean forIntrospection, Boolean suppressSecurityChecks)&lt;BR /&gt;at System.Reflection.RuntimeAssembly.InternalLoad(String assemblyString, Evidence assemblySecurity, StackCrawlMark&amp;amp; stackMark, IntPtr pPrivHostBinder, Boolean forIntrospection)&lt;BR /&gt;at System.Reflection.RuntimeAssembly.InternalLoad(String assemblyString, Evidence assemblySecurity, StackCrawlMark&amp;amp; stackMark, Boolean forIntrospection)&lt;BR /&gt;at System.Reflection.Assembly.Load(String assemblyString)&lt;BR /&gt;at Microsoft.ReportingServices.Diagnostics.ExtensionClassFactory.LoadAssembly(String name)&lt;BR /&gt;--- End of inner exception stack trace ---&lt;BR /&gt;at Microsoft.ReportingServices.Diagnostics.ExtensionClassFactory.LoadAssembly(String name)&lt;BR /&gt;at Microsoft.ReportingServices.Diagnostics.ExtensionClassFactory.&amp;lt;&amp;gt;c__DisplayClass15_0.&amp;lt;CreateExtensionObject&amp;gt;b__0()&lt;BR /&gt;at Microsoft.ReportingServices.Diagnostics.RevertImpersonationContext.&amp;lt;&amp;gt;c__DisplayClass1_0.&amp;lt;Run&amp;gt;b__0(Object state)&lt;BR /&gt;at System.Security.SecurityContext.runTryCode(Object userData)&lt;BR /&gt;at System.Runtime.CompilerServices.RuntimeHelpers.ExecuteCodeWithGuaranteedCleanup(TryCode code, CleanupCode backoutCode, Object userData)&lt;BR /&gt;at System.Security.SecurityContext.Run(SecurityContext securityContext, ContextCallback callback, Object state)&lt;BR /&gt;at Microsoft.ReportingServices.Diagnostics.RevertImpersonationContext.Run(ContextBody callback)&lt;BR /&gt;at Microsoft.ReportingServices.Diagnostics.ExtensionClassFactory.CreateExtensionObject(Extension extConfig, Boolean typeOnly).&lt;BR /&gt;library!ReportServer_0-1!2e7c!06/11/2019-13:25:53:: e ERROR: Throwing Microsoft.ReportingServices.Diagnostics.Utilities.ServerConfigurationErrorException: Unable to load assembly Microsoft.ReportingServices.Cloud.DataExtensions, Microsoft.ReportingServices.Diagnostics.Utilities.ServerConfigurationErrorException: The report server has encountered a configuration error. ---&amp;gt; System.IO.FileNotFoundException: Could not load file or assembly 'Microsoft.ReportingServices.Cloud.DataExtensions' or one of its dependencies. The system cannot find the file specified.&lt;BR /&gt;at System.Reflection.RuntimeAssembly._nLoad(AssemblyName fileName, String codeBase, Evidence assemblySecurity, RuntimeAssembly locationHint, StackCrawlMark&amp;amp; stackMark, IntPtr pPrivHostBinder, Boolean throwOnFileNotFound, Boolean forIntrospection, Boolean suppressSecurityChecks)&lt;BR /&gt;at System.Reflection.RuntimeAssembly.InternalLoadAssemblyName(AssemblyName assemblyRef, Evidence assemblySecurity, RuntimeAssembly reqAssembly, StackCrawlMark&amp;amp; stackMark, IntPtr pPrivHostBinder, Boolean throwOnFileNotFound, Boolean forIntrospection, Boolean suppressSecurityChecks)&lt;BR /&gt;at System.Reflection.RuntimeAssembly.InternalLoad(String assemblyString, Evidence assemblySecurity, StackCrawlMark&amp;amp; stackMark, IntPtr pPrivHostBinder, Boolean forIntrospection)&lt;BR /&gt;at System.Reflection.RuntimeAssembly.InternalLoad(String assemblyString, Evidence assemblySecurity, StackCrawlMark&amp;amp; stackMark, Boolean forIntrospection)&lt;BR /&gt;at System.Reflection.Assembly.Load(String assemblyString)&lt;BR /&gt;at Microsoft.ReportingServices.Diagnostics.ExtensionClassFactory.LoadAssembly(String name)&lt;BR /&gt;--- End of inner exception stack trace ---;&lt;BR /&gt;extensionfactory!ReportServer_0-1!2e7c!06/11/2019-13:25:53:: e ERROR: Exception caught instantiating DAX report server extension: Microsoft.ReportingServices.Diagnostics.Utilities.ServerConfigurationErrorException: The report server has encountered a configuration error. ---&amp;gt; System.IO.FileNotFoundException: Could not load file or assembly 'Microsoft.ReportingServices.Cloud.DataExtensions' or one of its dependencies. The system cannot find the file specified.&lt;BR /&gt;at System.Reflection.RuntimeAssembly._nLoad(AssemblyName fileName, String codeBase, Evidence assemblySecurity, RuntimeAssembly locationHint, StackCrawlMark&amp;amp; stackMark, IntPtr pPrivHostBinder, Boolean throwOnFileNotFound, Boolean forIntrospection, Boolean suppressSecurityChecks)&lt;BR /&gt;at System.Reflection.RuntimeAssembly.InternalLoadAssemblyName(AssemblyName assemblyRef, Evidence assemblySecurity, RuntimeAssembly reqAssembly, StackCrawlMark&amp;amp; stackMark, IntPtr pPrivHostBinder, Boolean throwOnFileNotFound, Boolean forIntrospection, Boolean suppressSecurityChecks)&lt;BR /&gt;at System.Reflection.RuntimeAssembly.InternalLoad(String assemblyString, Evidence assemblySecurity, StackCrawlMark&amp;amp; stackMark, IntPtr pPrivHostBinder, Boolean forIntrospection)&lt;BR /&gt;at System.Reflection.RuntimeAssembly.InternalLoad(String assemblyString, Evidence assemblySecurity, StackCrawlMark&amp;amp; stackMark, Boolean forIntrospection)&lt;BR /&gt;at System.Reflection.Assembly.Load(String assemblyString)&lt;BR /&gt;at Microsoft.ReportingServices.Diagnostics.ExtensionClassFactory.LoadAssembly(String name)&lt;BR /&gt;--- End of inner exception stack trace ---&lt;BR /&gt;at Microsoft.ReportingServices.Diagnostics.ExtensionClassFactory.LoadAssembly(String name)&lt;BR /&gt;at Microsoft.ReportingServices.Diagnostics.ExtensionClassFactory.&amp;lt;&amp;gt;c__DisplayClass15_0.&amp;lt;CreateExtensionObject&amp;gt;b__0()&lt;BR /&gt;at Microsoft.ReportingServices.Diagnostics.RevertImpersonationContext.&amp;lt;&amp;gt;c__DisplayClass1_0.&amp;lt;Run&amp;gt;b__0(Object state)&lt;BR /&gt;at System.Security.SecurityContext.runTryCode(Object userData)&lt;BR /&gt;at System.Runtime.CompilerServices.RuntimeHelpers.ExecuteCodeWithGuaranteedCleanup(TryCode code, CleanupCode backoutCode, Object userData)&lt;BR /&gt;at System.Security.SecurityContext.Run(SecurityContext securityContext, ContextCallback callback, Object state)&lt;BR /&gt;at Microsoft.ReportingServices.Diagnostics.RevertImpersonationContext.Run(ContextBody callback)&lt;BR /&gt;at Microsoft.ReportingServices.Diagnostics.ExtensionClassFactory.CreateExtensionObject(Extension extConfig, Boolean typeOnly).&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
    <pubDate>Tue, 11 Jun 2019 18:35:43 GMT</pubDate>
    <dc:creator>lastephens69</dc:creator>
    <dc:date>2019-06-11T18:35:43Z</dc:date>
    <item>
      <title>Subscription Failures</title>
      <link>https://community.fabric.microsoft.com/t5/Report-Server/Subscription-Failures/m-p/711940#M10605</link>
      <description>&lt;P&gt;We just upgraded our Report Server to the January Version from SSRS 2005(made the hop to 2008 then to the latest version).&amp;nbsp; Now some of our subscriptions are failing to run correctly and I have not been able to determine what is causing the errors.&amp;nbsp; We have subscriptions that send emails, use our own delivery extension and save to a file share.&amp;nbsp; There is no pattern that I can find as to which ones are failing.&amp;nbsp; &amp;nbsp;We even have cases where the report has mutliple subscriptions an only some of them fail.&lt;/P&gt;&lt;P&gt;Error we are seeing in the log files:&lt;/P&gt;&lt;P&gt;library!ReportServer_0-1!2070!06/11/2019-13:25:53:: e ERROR: Throwing Microsoft.ReportingServices.Diagnostics.Utilities.ServerConfigurationErrorException: Unable to load assembly Microsoft.ReportingServices.Cloud.DataExtensions, Microsoft.ReportingServices.Diagnostics.Utilities.ServerConfigurationErrorException: The report server has encountered a configuration error. ---&amp;gt; System.IO.FileNotFoundException: Could not load file or assembly 'Microsoft.ReportingServices.Cloud.DataExtensions' or one of its dependencies. The system cannot find the file specified.&lt;BR /&gt;at System.Reflection.RuntimeAssembly._nLoad(AssemblyName fileName, String codeBase, Evidence assemblySecurity, RuntimeAssembly locationHint, StackCrawlMark&amp;amp; stackMark, IntPtr pPrivHostBinder, Boolean throwOnFileNotFound, Boolean forIntrospection, Boolean suppressSecurityChecks)&lt;BR /&gt;at System.Reflection.RuntimeAssembly.InternalLoadAssemblyName(AssemblyName assemblyRef, Evidence assemblySecurity, RuntimeAssembly reqAssembly, StackCrawlMark&amp;amp; stackMark, IntPtr pPrivHostBinder, Boolean throwOnFileNotFound, Boolean forIntrospection, Boolean suppressSecurityChecks)&lt;BR /&gt;at System.Reflection.RuntimeAssembly.InternalLoad(String assemblyString, Evidence assemblySecurity, StackCrawlMark&amp;amp; stackMark, IntPtr pPrivHostBinder, Boolean forIntrospection)&lt;BR /&gt;at System.Reflection.RuntimeAssembly.InternalLoad(String assemblyString, Evidence assemblySecurity, StackCrawlMark&amp;amp; stackMark, Boolean forIntrospection)&lt;BR /&gt;at System.Reflection.Assembly.Load(String assemblyString)&lt;BR /&gt;at Microsoft.ReportingServices.Diagnostics.ExtensionClassFactory.LoadAssembly(String name)&lt;BR /&gt;--- End of inner exception stack trace ---;&lt;BR /&gt;extensionfactory!ReportServer_0-1!2070!06/11/2019-13:25:53:: e ERROR: Exception caught instantiating DAX report server extension: Microsoft.ReportingServices.Diagnostics.Utilities.ServerConfigurationErrorException: The report server has encountered a configuration error. ---&amp;gt; System.IO.FileNotFoundException: Could not load file or assembly 'Microsoft.ReportingServices.Cloud.DataExtensions' or one of its dependencies. The system cannot find the file specified.&lt;BR /&gt;at System.Reflection.RuntimeAssembly._nLoad(AssemblyName fileName, String codeBase, Evidence assemblySecurity, RuntimeAssembly locationHint, StackCrawlMark&amp;amp; stackMark, IntPtr pPrivHostBinder, Boolean throwOnFileNotFound, Boolean forIntrospection, Boolean suppressSecurityChecks)&lt;BR /&gt;at System.Reflection.RuntimeAssembly.InternalLoadAssemblyName(AssemblyName assemblyRef, Evidence assemblySecurity, RuntimeAssembly reqAssembly, StackCrawlMark&amp;amp; stackMark, IntPtr pPrivHostBinder, Boolean throwOnFileNotFound, Boolean forIntrospection, Boolean suppressSecurityChecks)&lt;BR /&gt;at System.Reflection.RuntimeAssembly.InternalLoad(String assemblyString, Evidence assemblySecurity, StackCrawlMark&amp;amp; stackMark, IntPtr pPrivHostBinder, Boolean forIntrospection)&lt;BR /&gt;at System.Reflection.RuntimeAssembly.InternalLoad(String assemblyString, Evidence assemblySecurity, StackCrawlMark&amp;amp; stackMark, Boolean forIntrospection)&lt;BR /&gt;at System.Reflection.Assembly.Load(String assemblyString)&lt;BR /&gt;at Microsoft.ReportingServices.Diagnostics.ExtensionClassFactory.LoadAssembly(String name)&lt;BR /&gt;--- End of inner exception stack trace ---&lt;BR /&gt;at Microsoft.ReportingServices.Diagnostics.ExtensionClassFactory.LoadAssembly(String name)&lt;BR /&gt;at Microsoft.ReportingServices.Diagnostics.ExtensionClassFactory.&amp;lt;&amp;gt;c__DisplayClass15_0.&amp;lt;CreateExtensionObject&amp;gt;b__0()&lt;BR /&gt;at Microsoft.ReportingServices.Diagnostics.RevertImpersonationContext.&amp;lt;&amp;gt;c__DisplayClass1_0.&amp;lt;Run&amp;gt;b__0(Object state)&lt;BR /&gt;at System.Security.SecurityContext.runTryCode(Object userData)&lt;BR /&gt;at System.Runtime.CompilerServices.RuntimeHelpers.ExecuteCodeWithGuaranteedCleanup(TryCode code, CleanupCode backoutCode, Object userData)&lt;BR /&gt;at System.Security.SecurityContext.Run(SecurityContext securityContext, ContextCallback callback, Object state)&lt;BR /&gt;at Microsoft.ReportingServices.Diagnostics.RevertImpersonationContext.Run(ContextBody callback)&lt;BR /&gt;at Microsoft.ReportingServices.Diagnostics.ExtensionClassFactory.CreateExtensionObject(Extension extConfig, Boolean typeOnly).&lt;BR /&gt;library!ReportServer_0-1!2e7c!06/11/2019-13:25:53:: e ERROR: Throwing Microsoft.ReportingServices.Diagnostics.Utilities.ServerConfigurationErrorException: Unable to load assembly Microsoft.ReportingServices.Cloud.DataExtensions, Microsoft.ReportingServices.Diagnostics.Utilities.ServerConfigurationErrorException: The report server has encountered a configuration error. ---&amp;gt; System.IO.FileNotFoundException: Could not load file or assembly 'Microsoft.ReportingServices.Cloud.DataExtensions' or one of its dependencies. The system cannot find the file specified.&lt;BR /&gt;at System.Reflection.RuntimeAssembly._nLoad(AssemblyName fileName, String codeBase, Evidence assemblySecurity, RuntimeAssembly locationHint, StackCrawlMark&amp;amp; stackMark, IntPtr pPrivHostBinder, Boolean throwOnFileNotFound, Boolean forIntrospection, Boolean suppressSecurityChecks)&lt;BR /&gt;at System.Reflection.RuntimeAssembly.InternalLoadAssemblyName(AssemblyName assemblyRef, Evidence assemblySecurity, RuntimeAssembly reqAssembly, StackCrawlMark&amp;amp; stackMark, IntPtr pPrivHostBinder, Boolean throwOnFileNotFound, Boolean forIntrospection, Boolean suppressSecurityChecks)&lt;BR /&gt;at System.Reflection.RuntimeAssembly.InternalLoad(String assemblyString, Evidence assemblySecurity, StackCrawlMark&amp;amp; stackMark, IntPtr pPrivHostBinder, Boolean forIntrospection)&lt;BR /&gt;at System.Reflection.RuntimeAssembly.InternalLoad(String assemblyString, Evidence assemblySecurity, StackCrawlMark&amp;amp; stackMark, Boolean forIntrospection)&lt;BR /&gt;at System.Reflection.Assembly.Load(String assemblyString)&lt;BR /&gt;at Microsoft.ReportingServices.Diagnostics.ExtensionClassFactory.LoadAssembly(String name)&lt;BR /&gt;--- End of inner exception stack trace ---;&lt;BR /&gt;extensionfactory!ReportServer_0-1!2e7c!06/11/2019-13:25:53:: e ERROR: Exception caught instantiating DAX report server extension: Microsoft.ReportingServices.Diagnostics.Utilities.ServerConfigurationErrorException: The report server has encountered a configuration error. ---&amp;gt; System.IO.FileNotFoundException: Could not load file or assembly 'Microsoft.ReportingServices.Cloud.DataExtensions' or one of its dependencies. The system cannot find the file specified.&lt;BR /&gt;at System.Reflection.RuntimeAssembly._nLoad(AssemblyName fileName, String codeBase, Evidence assemblySecurity, RuntimeAssembly locationHint, StackCrawlMark&amp;amp; stackMark, IntPtr pPrivHostBinder, Boolean throwOnFileNotFound, Boolean forIntrospection, Boolean suppressSecurityChecks)&lt;BR /&gt;at System.Reflection.RuntimeAssembly.InternalLoadAssemblyName(AssemblyName assemblyRef, Evidence assemblySecurity, RuntimeAssembly reqAssembly, StackCrawlMark&amp;amp; stackMark, IntPtr pPrivHostBinder, Boolean throwOnFileNotFound, Boolean forIntrospection, Boolean suppressSecurityChecks)&lt;BR /&gt;at System.Reflection.RuntimeAssembly.InternalLoad(String assemblyString, Evidence assemblySecurity, StackCrawlMark&amp;amp; stackMark, IntPtr pPrivHostBinder, Boolean forIntrospection)&lt;BR /&gt;at System.Reflection.RuntimeAssembly.InternalLoad(String assemblyString, Evidence assemblySecurity, StackCrawlMark&amp;amp; stackMark, Boolean forIntrospection)&lt;BR /&gt;at System.Reflection.Assembly.Load(String assemblyString)&lt;BR /&gt;at Microsoft.ReportingServices.Diagnostics.ExtensionClassFactory.LoadAssembly(String name)&lt;BR /&gt;--- End of inner exception stack trace ---&lt;BR /&gt;at Microsoft.ReportingServices.Diagnostics.ExtensionClassFactory.LoadAssembly(String name)&lt;BR /&gt;at Microsoft.ReportingServices.Diagnostics.ExtensionClassFactory.&amp;lt;&amp;gt;c__DisplayClass15_0.&amp;lt;CreateExtensionObject&amp;gt;b__0()&lt;BR /&gt;at Microsoft.ReportingServices.Diagnostics.RevertImpersonationContext.&amp;lt;&amp;gt;c__DisplayClass1_0.&amp;lt;Run&amp;gt;b__0(Object state)&lt;BR /&gt;at System.Security.SecurityContext.runTryCode(Object userData)&lt;BR /&gt;at System.Runtime.CompilerServices.RuntimeHelpers.ExecuteCodeWithGuaranteedCleanup(TryCode code, CleanupCode backoutCode, Object userData)&lt;BR /&gt;at System.Security.SecurityContext.Run(SecurityContext securityContext, ContextCallback callback, Object state)&lt;BR /&gt;at Microsoft.ReportingServices.Diagnostics.RevertImpersonationContext.Run(ContextBody callback)&lt;BR /&gt;at Microsoft.ReportingServices.Diagnostics.ExtensionClassFactory.CreateExtensionObject(Extension extConfig, Boolean typeOnly).&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
      <pubDate>Tue, 11 Jun 2019 18:35:43 GMT</pubDate>
      <guid>https://community.fabric.microsoft.com/t5/Report-Server/Subscription-Failures/m-p/711940#M10605</guid>
      <dc:creator>lastephens69</dc:creator>
      <dc:date>2019-06-11T18:35:43Z</dc:date>
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