Synology Notestation not synching over WLAN [4.3.0.12 Xperia 10 II]

REPRODUCIBILITY (% or how often): 100%
BUILD ID = OS VERSION (4.3.0.12):
HARDWARE (X10 II):
UI LANGUAGE: German
REGRESSION: (compared to previous public release: Yes, No, ?):

DESCRIPTION:

Synchronisation for Synology Notestation App only works via mobile data connection. Activation of WLAN causes errors and the app starts to retry to connect until the battery is empty. only forcestop of the App ends this behavior. after switching off WLAN the synching works fine! (seems to be a an issue with Androidsupport and WLAN)

PRECONDITIONS:

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EXPECTED RESULT:

ACTUAL RESULT:

ADDITIONAL INFORMATION:

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