Successful sign-in to an Edge Server is heavily dependent on correctly configuring the DNS.
It is important to check that all necessary DNS records exist and resolve to the correct locations.
The following sample NSLookup sequence within a command prompt checks the host record of the pool:
nslookup set type=a lyncedgepool1.companyabc.com
A successful query returns a name and IP address. Verify that IP returned matches the IP addresses assigned to the Edge Servers or load balancer and that no extra, or surprise, IP addresses are returned.
To verify the SRV record required for automatic client ...