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Tosca 10.1 Patch 01 important information

2017-03-23 10:05:34

Dear Community,

When installing the latest Patch for Tosca 10.1 (Patch 01) on some systems an error is encountered:

MDAC 2.7 Sp1 cannot be installed on this machine. MDAC 2.7 Sp1 requires any one of the following configurations:
Microsoft 98 with the Y2K Update 2 and Internet Explorer 4.01 SP2 or later
Microsoft Windows Millennium
Microsoft NT® 4SP5 (or greater) and IE 4.01 SP2 or later
Microsoft Windows 2000
Microsoft Windows XP

Setup will exit now. Please restart the Setup after instaling the necessary updates to this machine"


Our Engineering fixed this issue, and provided a new patch on 23/03/2017:


The download can be found under


If you have already downloaded the previous version of the Patch (Date Modified 20/03/2017) you can circumevent this error by installing it via the "Run as Administrator" task.

We are sorry for any inconvenience and would like to thank you for your understanding!


Best regards,
Your Tricentis Support Team