# Unresolved external symbol for x64

**URL:** <https://devforum.zoom.us/t/unresolved-external-symbol-for-x64/48825>\
**Category:** Windows\
**Created:** [April 25, 2021, 11:51am UTC](https://devforum.zoom.us/t/unresolved-external-symbol-for-x64/48825 "2021-04-25T11:51:54Z")\
**Posts on this page:** 5\
**Page:** 1

<div class="post-metadata">

**Author:** ![yuril](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/yuril/32/23505_2.png) [@yuril](https://devforum.zoom.us/u/yuril)\
**Post date:** [April 25, 2021, 11:51am UTC](https://devforum.zoom.us/t/unresolved-external-symbol-for-x64/48825/1 "2021-04-25T11:51:54Z")

</div>

Hi,  
Can’t build sdk\_demo\_v2 version: v5.5.12509.0330 for x64 (For Win32 it build successful)

> 

Build started…  
1\>------ Build started: Project: sdk\_demo\_v2, Configuration: Release x64 ------  
1\>stdafx.cpp  
1\>C:\dev\zoom-sdk-windows-5.5.12509.0330\demo\DuiLib\include\Core\UIManager.h(45,2): warning C4091: 'typedef ': ignored on left of ‘DuiLib::EVENTTYPE\_UI’ when no variable is declared  
1\>AnnotateBarWindow.cpp  
1\>AnnotateClearWindow.cpp  
1\>AnnotateDrawWindow.cpp  
1\>AnnotateFormatWindow.cpp  
1\>AnnotateSpolightWindow.cpp  
1\>AnnotateStampWindow.cpp  
1\>arrow\_window.cpp  
1\>CameraControlWindow.cpp  
1\>chat\_controller\_ui.cpp  
1\>chat\_controller\_workflow.cpp  
1\>close\_caption\_ui.cpp  
1\>C:\dev\zoom-sdk-windows-5.5.12509.0330\demo\sdk\_demo\_v2\close\_caption\_ui.cpp(153,48): warning C4996: ‘localtime’: This function or variable may be unsafe. Consider using localtime\_s instead. To disable deprecation, use \_CRT\_SECURE\_NO\_WARNINGS. See online help for details.  
1\>close\_caption\_workflow.cpp  
1\>CustomizedUIRecordMgr.cpp  
1\>custom\_ui\_mgr.cpp  
1\>custom\_ui\_mgr\_flow.cpp  
1\>custom\_ui\_share\_flow.cpp  
1\>custom\_ui\_share\_mgr.cpp  
1\>C:\dev\zoom-sdk-windows-5.5.12509.0330\demo\sdk\_demo\_v2\custom\_ui\_share\_mgr.cpp(250,36): warning C4477: ‘swscanf\_s’ : format string ‘%x’ requires an argument of type ‘unsigned int \*’, but variadic argument 1 has type ‘HWND \*’  
1\>custom\_ui\_video\_flow.cpp  
1\>custom\_ui\_video\_mgr.cpp  
1\>dial\_in\_country\_ui.cpp  
1\>Generating Code…  
1\>Compiling…  
1\>display\_cc\_ui.cpp  
1\>init\_auth\_sdk\_workflow.cpp  
1\>invitation\_ui.cpp  
1\>invitation\_workflow.cpp  
1\>Join\_meeting\_for\_login\_user\_ui.cpp  
1\>Join\_meeting\_for\_login\_user\_workflow.cpp  
1\>LoggedIn\_sdk\_controller\_ui.cpp  
1\>LoggedIn\_sdk\_controller\_workflow.cpp  
1\>LOGIN\_join\_meeting\_only\_workflow.cpp  
1\>LOGIN\_login\_with\_email\_workflow.cpp  
1\>LOGIN\_login\_with\_sso\_workflow.cpp  
1\>LOGIN\_restapi\_without\_login\_workflow.cpp  
1\>LOGIN\_sdk\_login\_UI.cpp  
1\>mess\_info.cpp  
1\>C:\dev\zoom-sdk-windows-5.5.12509.0330\demo\sdk\_demo\_v2\mess\_info.cpp(72,48): warning C4244: ‘=’: conversion from ‘UINT64’ to ‘int’, possible loss of data  
1\>more\_features\_ui.cpp  
1\>more\_features\_workflow.cpp  
1\>more\_menu\_ui.cpp  
1\>ParticipantPopMenu.cpp  
1\>participant\_ui.cpp  
1\>schedule\_meeting\_ui.cpp  
1\>C:\dev\zoom-sdk-windows-5.5.12509.0330\demo\sdk\_demo\_v2\schedule\_meeting\_ui.cpp(182,26): warning C4996: ‘localtime’: This function or variable may be unsafe. Consider using localtime\_s instead. To disable deprecation, use \_CRT\_SECURE\_NO\_WARNINGS. See online help for details.  
1\>C:\dev\zoom-sdk-windows-5.5.12509.0330\demo\sdk\_demo\_v2\schedule\_meeting\_ui.cpp(295,2): warning C4996: ‘swscanf’: This function or variable may be unsafe. Consider using swscanf\_s instead. To disable deprecation, use \_CRT\_SECURE\_NO\_WARNINGS. See online help for details.  
1\>C:\dev\zoom-sdk-windows-5.5.12509.0330\demo\sdk\_demo\_v2\schedule\_meeting\_ui.cpp(403,14): warning C4996: ‘localtime’: This function or variable may be unsafe. Consider using localtime\_s instead. To disable deprecation, use \_CRT\_SECURE\_NO\_WARNINGS. See online help for details.  
1\>C:\dev\zoom-sdk-windows-5.5.12509.0330\demo\sdk\_demo\_v2\schedule\_meeting\_ui.cpp(1175,30): warning C4267: ‘initializing’: conversion from ‘size\_t’ to ‘int’, possible loss of data  
1\>C:\dev\zoom-sdk-windows-5.5.12509.0330\demo\sdk\_demo\_v2\schedule\_meeting\_ui.cpp(1446,30): warning C4267: ‘initializing’: conversion from ‘size\_t’ to ‘int’, possible loss of data  
1\>C:\dev\zoom-sdk-windows-5.5.12509.0330\demo\sdk\_demo\_v2\schedule\_meeting\_ui.h(218,1): warning C4267: ‘return’: conversion from ‘size\_t’ to ‘int’, possible loss of data  
1\>C:\dev\zoom-sdk-windows-5.5.12509.0330\demo\sdk\_demo\_v2\schedule\_meeting\_ui.h(217): message : while compiling class template member function ‘int TListImpl\<ZOOMSDK::IAlternativeHostInfo \*\>::GetCount(void)’  
1\>C:\dev\zoom-sdk-windows-5.5.12509.0330\demo\sdk\_demo\_v2\schedule\_meeting\_ui.cpp(1173): message : see reference to class template instantiation ‘TListImpl\<ZOOMSDK::IAlternativeHostInfo \*\>’ being compiled  
1\>Generating Code…  
1\>Compiling…  
1\>schedule\_meeting\_workflow.cpp  
1\>sdk\_demo\_app.cpp  
1\>sdk\_demo\_v2.cpp  
1\>sdk\_init\_auth\_ui.cpp  
1\>sdk\_util.cpp  
1\>C:\dev\zoom-sdk-windows-5.5.12509.0330\demo\sdk\_demo\_v2\sdk\_util.cpp(362,32): warning C4267: ‘initializing’: conversion from ‘size\_t’ to ‘int’, possible loss of data  
1\>SETTINGS\_audio\_workflow.cpp  
1\>SETTINGS\_feature\_custom\_workflow.cpp  
1\>SETTINGS\_general\_workflow.cpp  
1\>SETTINGS\_recording\_workflow.cpp  
1\>SETTINGS\_share\_workflow.cpp  
1\>settings\_ui.cpp  
1\>C:\dev\zoom-sdk-windows-5.5.12509.0330\demo\sdk\_demo\_v2\settings\_ui.cpp(1675,28): warning C4267: ‘return’: conversion from ‘size\_t’ to ‘int’, possible loss of data  
1\>C:\dev\zoom-sdk-windows-5.5.12509.0330\demo\sdk\_demo\_v2\settings\_ui.cpp(3908,1): warning C4010: single-line comment contains line-continuation character  
1\>C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.28.29910\include\utility(193,48): warning C4267: ‘initializing’: conversion from ‘size\_t’ to ‘\_Ty1’, possible loss of data  
1\> with  
1\> [  
1\> \_Ty1=int  
1\> ]  
1\>C:\dev\zoom-sdk-windows-5.5.12509.0330\demo\sdk\_demo\_v2\settings\_ui.cpp(1702): message : see reference to function template instantiation ‘std::pair\<int,bkItemType\>::pair\<unsigned \_\_int64,bkItemType&,0\>(\_Other1 &&,\_Other2) noexcept’ being compiled  
1\> with  
1\> [  
1\> \_Other1=unsigned \_\_int64,  
1\> \_Other2=bkItemType &  
1\> ]  
1\>C:\dev\zoom-sdk-windows-5.5.12509.0330\demo\sdk\_demo\_v2\settings\_ui.cpp(1702): message : see reference to function template instantiation ‘std::pair\<int,bkItemType\>::pair\<unsigned \_\_int64,bkItemType&,0\>(\_Other1 &&,\_Other2) noexcept’ being compiled  
1\> with  
1\> [  
1\> \_Other1=unsigned \_\_int64,  
1\> \_Other2=bkItemType &  
1\> ]  
1\>SETTINGS\_ui\_custom\_workflow.cpp  
1\>SETTINGS\_video\_workflow.cpp  
1\>SETTINGS\_virtualBG\_workflow.cpp  
1\>ShareToolbarWindow.cpp  
1\>toolbar\_bottom\_ui.cpp  
1\>toolbar\_bottom\_workflow.cpp  
1\>toolbar\_manager.cpp  
1\>user\_manager.cpp  
1\>C:\dev\zoom-sdk-windows-5.5.12509.0330\demo\sdk\_demo\_v2\user\_manager.cpp(17,27): warning C4267: ‘return’: conversion from ‘size\_t’ to ‘int’, possible loss of data  
1\>util\_window.cpp  
1\>Generating Code…  
1\>Compiling…  
1\>ViewOptionsWindow.cpp  
1\>Generating Code…  
1\>custom\_ui\_mgr.obj : error LNK2001: unresolved external symbol CreateCustomizedUIMgr  
1\>custom\_ui\_mgr.obj : error LNK2001: unresolved external symbol DestroyCustomizedUIMgr  
1\>sdk\_util.obj : error LNK2001: unresolved external symbol InitSDK  
1\> Hint on symbols that are defined and could potentially match:  
1\> “public: enum ZOOMSDK::SDKError \_\_cdecl CInitSDKWorkFlow::InitSDK(struct ZOOMSDK::tagInitParam &,bool)” (?InitSDK@CInitSDKWorkFlow@@QEAA?AW4SDKError@ZOOMSDK@@AEAUtagInitParam@3@\_N@Z)  
1\>sdk\_util.obj : error LNK2001: unresolved external symbol CreateMeetingService  
1\>sdk\_util.obj : error LNK2001: unresolved external symbol DestroyMeetingService  
1\>sdk\_util.obj : error LNK2001: unresolved external symbol CreateAuthService  
1\>sdk\_util.obj : error LNK2001: unresolved external symbol DestroyAuthService  
1\>sdk\_util.obj : error LNK2001: unresolved external symbol CreateSettingService  
1\>sdk\_util.obj : error LNK2001: unresolved external symbol DestroySettingService  
1\>sdk\_util.obj : error LNK2001: unresolved external symbol CreatePreMeetingService  
1\>sdk\_util.obj : error LNK2001: unresolved external symbol DestroyPreMeetingService  
1\>sdk\_util.obj : error LNK2001: unresolved external symbol CreateNetworkConnectionHelper  
1\>sdk\_util.obj : error LNK2001: unresolved external symbol DestroyNetworkConnectionHelper  
1\>sdk\_util.obj : error LNK2001: unresolved external symbol CleanUPSDK  
1\>sdk\_util.obj : error LNK2001: unresolved external symbol GetZoomLastError  
1\>…..\bin\sdk\_demo\_v2.exe : fatal error LNK1120: 15 unresolved externals  
1\>Done building project “sdk\_demo\_v2.vcxproj” – FAILED.  
========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========

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<div class="post-metadata">

**Author:** ![Michael\_Condon](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/michael_condon/32/13543_2.png) [@Michael\_Condon](https://devforum.zoom.us/u/Michael_Condon)\
**Post date:** [April 27, 2021, 6:59pm UTC](https://devforum.zoom.us/t/unresolved-external-symbol-for-x64/48825/2 "2021-04-27T18:59:55Z")

</div>

Hey @yuril,

Thanks for using the dev forum!

The Windows SDK does not support x64. Please use Win32 or x86 instead.

Thanks!  
Michael

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<div class="post-metadata">

**Author:** ![yuril](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/yuril/32/23505_2.png) [@yuril](https://devforum.zoom.us/u/yuril)\
**Post date:** [April 28, 2021, 2:47pm UTC](https://devforum.zoom.us/t/unresolved-external-symbol-for-x64/48825/3 "2021-04-28T14:47:40Z")

</div>

Ok thanks, are you plan to release it?

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<div class="post-metadata">

**Author:** ![Michael\_Condon](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/michael_condon/32/13543_2.png) [@Michael\_Condon](https://devforum.zoom.us/u/Michael_Condon)\
**Post date:** [April 28, 2021, 6:29pm UTC](https://devforum.zoom.us/t/unresolved-external-symbol-for-x64/48825/4 "2021-04-28T18:29:52Z")

</div>

Hey @yuril,

This is on a longterm roadmap, but I do not have an ETA at this time.

Thanks!  
Michael

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/flex016/uploads/zoomdeveloper/original/3X/6/1/614bdd549b610bbaa46ff934617683a02bdaa03c.png) [@system](https://devforum.zoom.us/u/system)\
**Post date:** [May 29, 2021, 4:30am UTC](https://devforum.zoom.us/t/unresolved-external-symbol-for-x64/48825/5 "2021-05-29T04:30:37Z")

</div>

Closed on May 29, 2021, 4:30am UTC

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