This browser is no longer supported.
Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support.
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(83.2, 28.000000000000004%, 18%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESS%3C/text%3E%3C/svg%3E)
SQL server 2017 setup failed to launch with error here was a failure to calculate the default value of setting INSTALLSHAREDDIR on passive node of the Always on cluster.
Current SQL version : 2014
Error:
TITLE: SQL Server Setup failure. ------------------------------ SQL Server Setup has encountered the following error: There was a failure to calculate the applicability of setting INSTALLSHAREDDIR. Error code 0x85640002. For help, click: https://go.microsoft.com/fwlink?LinkID=20476&ProdName=Microsoft%20SQL%20Server EvtSrc=setup.rll EvtID=50000 EvtType=0xE8049925%25400x42B4DED7 ------------------------------ BUTTONS: OK ------------------------------
Additional SQL Server features and topics not covered by specific categories
Why you install SQL 2017 while your current version is 2014?As I know, all the nodes in an AG must be the same SQL Server version.Since your current version of SQL Server is 2014, there could be compatibility issues with the new version (SQL Server 2017) installing.
Best regards,
Cosmog
If the answer is the right solution, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".
