@Matthew    I am attempting to use a Meraki MS250 to replace a Cisco router that is using EIGRP.  You mentioned you have a mixed environment.  Since the MS series do not support EIGRP, how did your mixed environment work?   - Dave ... View more

I was also facing this error some time ago. But one of my friends has suggested me to contact Windows support. Now my issue has been resolved. You can also get rid of this problem. Try resolving DNS Server is not responding error. ... View more

@BHC_RESORTS We use the "auto" setting for 5GHz channel width. I'd say it's perhaps about 1/3rd of AP's that run at 80MHz after this change. This is a highly dense AP environment (one AP per room) in a dense urban environment, so it doesn't surprise me that many of the AP's are not running at 80MHz.  ... View more