These desecrations were not done by Nazis, rather than radical muslims, who are were in Dresden protesting outside the courthouse were a German was tried for the murder of a muslim woman. Most of the vandalism was written in english, as were most of the signs the protesters held. Dresden is also not a stronghold of east german Neo Nazis, who are more active in rural than in urban areas.
200 feared dead in latest migrant disaster off Libya's coast (AP)
from the article: Neo-Nazis desecrate Dresden synagogue ahead of Kristallnacht anniversary