Tag Archives: 2013

Error: Attempted to make calls on more than one thread in single threaded mode using multiple Content by Search web parts

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In SharePoint 2013 when adding more than one Content by Search web part to a page you may receive the following error
“Attempted to make calls on more than one thread in single threaded mode. (Exception from HRESULT: 0x80010102 (RPC_E_ATTEMPTED_MULTITHREAD)) Correlation ID: 00000000-0000-0000-0000-000000000000“
This is caused by a bug in the original release, this has been fixed in the April Update, which can be downloaded from here http://support.microsoft.com/default.aspx?scid=kb;EN-US;2726992
Please be aware that this is not really a CU as it requires http://support.microsoft.com/kb/2767999 to be installed first.