Forum Discussion
SharePoint 2016 with FBA credential prompts when opening Office documents
Can someone, please, share their experience in solving the problem with Office applications prompting for credentials? We've got FBA and Windows authentication in the default zone. Everything works f...
Hi Deleted,
Please check this article.
The only way to maintain direct-edit functionality and also not be prompted by the Office application is to implement a proxy/firewall server by using Forms Based Authentication together with persistent cookies. For example, you can use an Internet Security and Acceleration (ISA) server or a Forefront Threat Management Gateway.
I've just checked on one of the environments with 2016+FBA and experienced the same endless (3 times, then error) login prompt when opening an office document.