OpenXenManager "Authentication failure" - how to fix?

Question

Xen

Raised Xen Cloud Platform 1.6 on Ubuntu Server 13.10 x64.
Now I'm trying to manage the hypervisor through OpenXenManager. The connection parameters are working, the command
xe -s 127.0.0.1 -u root -pw password vm-listis working.
OpenXenManager throws an "Authentication failure" error.
Tried editing /etc/xen/xend-config.sxp: (xen-api-server ((9363 pam 'localhost') (unix))). After I tried to connect to 80, 443, 9363 ports. There is no result.
XCP and OpenXenManger are installed on the same machine. In addition to OpenXenManger, XenWebManager and the PHP-xenapi library give the same error

Answer 1

found a solution:
1) the /etc/xen/xend-config.sxp file does not need to be changed
2) the line should be uncommented in the /etc/pam.d/xapi file
3) create a xapiman user and add it to the xapi group
4) start OpenXenManager and connect to XCP as xapiman