Forum Discussion
Login not possible
Since the beginning of the year, I have had the problem that I cannot log into my email account via Outlook. I have contacted Microsoft support several times, and they have repeatedly told me to contact Outlook support directly, but I am unable to do so. I have already cleared my cache several times and tried using other browsers. I have also tried incognito modes, as well as using my cell phone.
Whenever I try to log in, I get the following error message:
That's why I hope that someone here can help me somehow.
UTC Date: 2026-02-22T02:15:19.184Z
Client Id: 7A828C91B2DA4E399FF041930501246B
Session Id: 4ec12d8b-3707-444b-9f57-50efe72ef5cf
Client Version: 20260213001.06
BootResult: fail
Back Filled Errors: None
err: System.Runtime.Serialization.SerializationException
esrc: StartupData
et: ServerError
estack: Newtonsoft.Json.JsonSerializationException
st: 500
ehk: X-OWA-Error
efe: AS4P190CA0013
ewsver: 15.20.9632.15
emsg: ErrorUnexpectedFailure
1 Reply
You might be better served by posting this question in the Outlook Q&A Forum:
https://learn.microsoft.com/en-us/answers/tags/778/office-outlook
This presents your question to a much larger audience and gets you access to the Outlook Subject Matter Support Specialist who monitor that forum, but not this one.
