Hi,
I'm trying to download the Outlook Add-in for on-premise Business Central but I'm always getting the error message below. I would like to request for assistance on how to fix it. Really appreciate the help!
"Cannot set up the add-in because the Business Central Server instance is not configured to use Secure Sockets Layer (SSL), or the Web Client Base URL is not defined in the server configuration."
Hello,
This is because the PublicWebBaseUrl property is not filled in. It needs to contain a value that points to your WebClient url and this must be configured with a SSL certificate. So format should be like this:
navserver.domain.com:port/.../
or
navserver:port/.../
or
tenant1.domain.com:port/.../
Etc.
Also note the other requirements like authentication type must be NavUserPassword or preferred Azure AD Authentication.
Hope it helps.
Thanks.
#1
YUN ZHU
446
Super User 2025 Season 1
#2
Sagar Dangar, MCP
339
#3
Mansi Soni
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