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  1. System.InvalidOperationException: The 'Microsoft.ACE.OLEDB.12.0 ...

    Oct 7, 2021 · There are a couple of possible reasons for this. One is that the provider is not registered/installed on the machine, and the other is that the wrong bitness is being used. See …

  2. System.InvalidOperationException: Could not find endpoint …

    Jun 17, 2010 · System.InvalidOperationException: Could not find endpoint element with name '***' and contract '****'in the ServiceModel <br/> client configuration section. This might be because …

  3. Can't run AD Sync - Start-ADSyncSyncCycle : System ...

    May 14, 2019 · Set-ADSyncScheduler : System.InvalidOperationException: Scheduler::RequestCurrentRunToStop : Current run of scheduler has already being cancelled. …

  4. System.InvalidOperationException: Collection was modified; …

    Mar 28, 2017 · at System.Collections.Hashtable.HashtableEnumerator.MoveNext () Dim enumerator As IDictionaryEnumerator = Me.clients.GetEnumerator () Dim dictionaryEntry As …

  5. System.InvalidOperationException: The SMTP host was not specified.

    Dec 12, 2010 · I'm getting an System.InvalidOperationException: The SMTP host was not specified. when I try to use 2.0 password reset. I am using hashed password and when it trys …

  6. stream.ReadTimeout' threw an exception of type 'System ...

    Oct 7, 2021 · I got the error st.ReadTimeout' threw an exception of type 'System.InvalidOperationException on the below line Stream st = …

  7. Mutex Could not be Created. - social.msdn.microsoft.com

    Oct 7, 2021 · Exception Details: System.InvalidOperationException: Mutex could not be created. Source Error: An unhandled exception was generated during the execution of the current web …

  8. Max pool size - social.msdn.microsoft.com

    Dec 8, 2011 · Here is the trace, I hope it helps. [12/5/2011 8:40:05 PM] TfsMigrationShell.exe Information: 0 : : System.Data.EntityException: The underlying provider failed on Open. ---> …

  9. System.InvalidOperationException: ExecuteNonQuery: Connection …

    Oct 7, 2021 · I read over the provided resources of my last post and have adpated my code however I am still having trouble getting it to work. As always any assiatnce would be greatly …

  10. Exception while running a xUnit Test project in Visual Studio 2019

    Feb 19, 2020 · System.InvalidOperationException: Operation is not valid due to the current state of the object.