Where most complaints about this service are coming from, over the last 24 hours.
Shows where the service URL was unreachable during the detected outage periods. Percentages indicate the share of failed checks from monitoring locations in each country.
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If the portal doesn't open at all, start with the basics: clear your browser cache and cookies, then try a hard reload. FinanzOnline works best in recent versions of Firefox, Chrome, or Edge — older browsers sometimes fail to establish a secure connection properly. If the page still hangs, check whether your internet connection is stable by opening any other site. A stuck DNS cache can also block access; flushing it with the appropriate system command usually helps.
The service logs users out after a period of inactivity, which is by design, but sometimes sessions drop mid-task. If this happens repeatedly, disable any aggressive power-saving settings on your device and make sure browser extensions aren't interfering with cookies. Using a private browsing window can help isolate the issue.
This is one of the more frustrating problems. The mobile TAN or confirmation code may be delayed or never arrive due to:
Request the code again only after waiting at least 60 seconds. If SMS delivery keeps failing, check whether the registered mobile number in your profile is current.
Form submission failures usually happen when the connection drops mid-upload or a required field is left incomplete. The portal validates data before accepting a submission, so an invisible validation error can freeze the interface. Scroll through the entire form looking for highlighted fields, and if the page appears frozen, avoid clicking submit multiple times — this can create duplicate entries. Reload and re-enter only the final section.
Downloaded documents sometimes come through as blank or fail to open. This typically means the PDF viewer in your browser is conflicting with the file. Save the file directly to your device and open it with a dedicated PDF reader instead of previewing it inline.
During peak filing periods, response times can climb noticeably. If navigation feels sluggish: