When i login alfresco am facing this Error ( Your authentication details have not been recognized or Alfresco may not be available at this time.) & (If it is possible to delete the super admin credentials)

[karuppasamy]

When i login the am facing this Error ( Your authentication details have not been recognized or Alfresco may not be available at this time.) & (If it is possible to delete the super admin credentials)

[davidm]

Performing a full reindex with Solr | Alfresco Documentation 

[karuppasamy]

David Mendiola‌

When i was installed the Alfresco i did'nt check the solr4 option and now i don't have a solr4 folder but i checked the solr option.

So i need to reinstall or ?? 

[davidm · Accepted solution]

What version of alfresco have you installed?

Here you have the link to perform a full reindex of previos version of solr4:
Performing a full reindex with Solr | Alfresco Documentation 

[karuppasamy]

David Mendiola‌

I have installed Alfesco Community - 5.1.0 (r122274-b3)

[davidm]

try yo reindex solr with the previous link or if your environment allows it re-install alfresco with solr4