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RDCMan crashes when launching a second connection RRS feed

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  • Open CMD with administrator, Type the command below and press enter:

    regsvr32 %systemroot%\system32\mstscax.dll

    After that, restart your computer to test this problem.


    S.Sengupta,Microsoft MVP Windows and Devices for IT, Windows Insider MVP

    22/ربيع الثاني/1441 01:18 ص
  • Hello,
    I have the same problem
    I applied your solution proposal
    But to no succes

    Nom de l’application défaillante RDCMan.exe, version : 2.7.1406.0, horodatage : 0x5318e66b
    Nom du module défaillant : mstscax.dll, version : 10.0.19536.1000, horodatage : 0x558ca851
    Code d’exception : 0xc0000409
    Décalage d’erreur : 0x0000000000001b21
    ID du processus défaillant : 0x36d8
    Heure de début de l’application défaillante : 0x01d5b65a6aca70a1
    Chemin d’accès de l’application défaillante : C:\Program Files (x86)\Microsoft\Remote Desktop Connection Manager\RDCMan.exe
    Chemin d’accès du module défaillant: C:\WINDOWS\system32\mstscax.dll
    ID de rapport : b00b4c91-3b74-4b69-8f07-ddcfdb6b33ca
    Nom complet du package défaillant : 
    ID de l’application relative au package défaillant : 

    22/ربيع الثاني/1441 01:44 م
  • I have the same problem. Problem was reported via Feedback Hub https://aka.ms/AA6xfw5 . Temporary solution is replace mstscax.dll with older version e.g. 10.0.17763.802.

    --- About Remote Desktop Connection Manager v2.7 ---

    RDCMan v2.7 build 1406.0

    Microsoft Windows NT 6.2.9200.0
    .NET v4.0.30319.42000
    mstscax.dll v10.0.19536

    ---- Event Viewer - Application ----

    Faulting application name: RDCMan.exe, version: 2.7.1406.0, time stamp: 0x5318e66b
    Faulting module name: mstscax.dll, version: 10.0.19536.1000, time stamp: 0x558ca851
    Exception code: 0xc0000409
    Fault offset: 0x0000000000001b21
    Faulting process id: 0x2748
    Faulting application start time: 0x01d5c2056c471547
    Faulting application path: C:\Program Files (x86)\Microsoft\Remote Desktop Connection Manager\RDCMan.exe
    Faulting module path: C:\WINDOWS\system32\mstscax.dll
    Report Id: 4d945430-1cb7-4bf7-b59a-e83b60cb1f8a
    Faulting package full name: 
    Faulting package-relative application ID: 

    • تم الاقتراح كإجابة بواسطة Dmitriy Ilyin 15/جمادى الأولى/1441 09:55 ص
    08/جمادى الأولى/1441 07:26 ص
  • Have same problems. Also not only in RDCMan but also in mRemoteNG.
    Replacing this library C:\WINDOWS\system32\mstscax.dll helped.


    Regards, Dmitriy Ilyin

    15/جمادى الأولى/1441 09:55 ص
  • Hi, thank's for the solution, work for me. I replaced fiel with version 10.0.18362.449.

    18/جمادى الأولى/1441 05:48 م
  • Same issue occurred on Build 19546.rs_prerelease.200110-1443

    26/جمادى الأولى/1441 06:50 ص
  • It seems to be an issue with pre-release windows versions : 

    I am on Version 2004, OS build 19541.1000 with Feature Experience Pack 119.33800.0.0. (updated 21st Jan 2020) 

    The issue started two previous builds prior to this one and replacing the .dll with older versions has proved tricky even after changing the owner on the System32 folder to administrator. 

    None of the applications (Devolutions - RDM Free, mRemoteNG or Ms RDC Manager are working when I try to open a second connection.  The CPU also seem to spike when I try and open the second connection. I have a descent spec PC (i5, 16GB RAM with NVMe storage). I guess it's one of those things when you adopt early builds of Windows you'll have to live with 'Undocumented Features'. Please share a solution if you find one. 

     

     

    26/جمادى الأولى/1441 11:18 ص
  • Fix should be included with Build 19551 https://aka.ms/AA73duf
    29/جمادى الأولى/1441 12:15 م