https://community.cisco.com/t5/collaboration-applications/cwms-error-code-20006-when-joining-ocnference/m-p/2662616#M2547 <P>Hi Juergen,</P><P>What is the size of your deployment?&nbsp;</P><P>Do you have High Availability?</P><P>Do you have IRP?</P><P>Are the end users local or external to the network?</P><P>Can you ensure all the ESXi hosts have NTP client running and that time is in sync on the hosts?</P><P>The error code is rather generic, so I would need to know more about your deployment.</P><P>-Dejan</P><P>&nbsp;</P><P>&nbsp;</P> Tue, 10 Mar 2015 19:56:26 GMT dpetrovi 2015-03-10T19:56:26Z https://community.cisco.com/t5/collaboration-applications/cwms-error-code-20006-when-joining-ocnference/m-p/2662615#M2546 <P>Hello community,</P><P>users with windows desktops using IE or firefox trying to join WebEx Meetings server 2.5.1.216 sporadically receive error message 'service temporarily not available - try again later. error code 20006' message.</P><P>does anyone know what this error code means?</P><P>Juergen</P> Sun, 17 Mar 2019 23:57:50 GMT https://community.cisco.com/t5/collaboration-applications/cwms-error-code-20006-when-joining-ocnference/m-p/2662615#M2546 jstrittmatter 2019-03-17T23:57:50Z https://community.cisco.com/t5/collaboration-applications/cwms-error-code-20006-when-joining-ocnference/m-p/2662616#M2547 <P>Hi Juergen,</P><P>What is the size of your deployment?&nbsp;</P><P>Do you have High Availability?</P><P>Do you have IRP?</P><P>Are the end users local or external to the network?</P><P>Can you ensure all the ESXi hosts have NTP client running and that time is in sync on the hosts?</P><P>The error code is rather generic, so I would need to know more about your deployment.</P><P>-Dejan</P><P>&nbsp;</P><P>&nbsp;</P> Tue, 10 Mar 2015 19:56:26 GMT https://community.cisco.com/t5/collaboration-applications/cwms-error-code-20006-when-joining-ocnference/m-p/2662616#M2547 dpetrovi 2015-03-10T19:56:26Z