2 PC's in the office will not connect to Exchange online / Office 365. Each time I try to setup the new exchange mail box it does its thinking thing, then crashes. Looking in the event viewer, it is logging an error message in German for each mailbox.
google translate for the error message says something along the lines of;
"Indexing your outlook data cannot be completed by the search. A continuation of indexing for is not possible. 81404005 = error. Contact for continuation of the error Microsoft Services"
I have reset the password, deleted all windows credentials and recreated for the new one.
I have removed the KB article as described here. https://answers.microsoft.com/en-us/msoffice/forum/msoffice_outlook-mso_win10/outlook-search-functionality-broken-after-latest/bafbd2aa-d27b-4259-9768-d361cb2cc481
And I have done the usually restart the PC, disable add-ins and so on, but no joy.
Anyone have any ideas what other steps I can take to fix this?