https://community.extremenetworks.com/t5/end-of-service-products/ridgeline-error-unable-to-open-connection-to-the-server-null-on/m-p/24729#M560 <I><B></B></I><B></B>I had also disabled the firewall .. but still no progress<BR /> Thu, 16 Nov 2017 21:52:00 GMT Prashanth_Kumar 2017-11-16T21:52:00Z https://community.extremenetworks.com/t5/end-of-service-products/ridgeline-error-unable-to-open-connection-to-the-server-null-on/m-p/24728#M559 My Ridgeline was working fine. after few days, when i try to log in it prompted this msg saying " We are unable to open connection to the server null, on port-1.<P class="fancybox-image"><span class="lia-inline-image-display-wrapper" image-alt="395eadc127bb45e4a41ed0902fdfdf69_RackMultipart20171116-2389-a4ac9m-error_inline.png"><img src="https://community.extremenetworks.com/t5/image/serverpage/image-id/4721i62F52B03CEE1C3D4/image-size/large?v=v2&amp;px=999" role="button" title="395eadc127bb45e4a41ed0902fdfdf69_RackMultipart20171116-2389-a4ac9m-error_inline.png" alt="395eadc127bb45e4a41ed0902fdfdf69_RackMultipart20171116-2389-a4ac9m-error_inline.png" /></span></P> Thu, 16 Nov 2017 21:50:00 GMT https://community.extremenetworks.com/t5/end-of-service-products/ridgeline-error-unable-to-open-connection-to-the-server-null-on/m-p/24728#M559 Prashanth_Kumar 2017-11-16T21:50:00Z https://community.extremenetworks.com/t5/end-of-service-products/ridgeline-error-unable-to-open-connection-to-the-server-null-on/m-p/24729#M560 <I><B></B></I><B></B>I had also disabled the firewall .. but still no progress<BR /> Thu, 16 Nov 2017 21:52:00 GMT https://community.extremenetworks.com/t5/end-of-service-products/ridgeline-error-unable-to-open-connection-to-the-server-null-on/m-p/24729#M560 Prashanth_Kumar 2017-11-16T21:52:00Z