Im getting Network unreachable error in google wmt from 29 jan , i upgraded my server, purchased separate servers for all sites but stilll i can see lot of network unreachable errors in google wmt in start there were only 5 to 10 urls but now they are reached to 50+ urls is there any one else getting this eror or its only me, if its only me will u plz sugggest what step should i take now as sites hosted on different server but still this problem ANd i want to how many unreachable urls error in google wmt for how many days is ok , and what is the limit after which google will penalize me?