Issue:
Users get the following error message when they try to log on through NetScaler Gateway:
"Login exceeds maximum allowed users".
Cause:
Usually, this issue appears after a firmware upgrade from NetScaler Gateway 9.x to NetScaler Gateway 10.5 and Universal Gateway License is allocated.
Resolution:
Login to the NetScaler Web-console, usually the virtual IP that engineering sets for NS are .20 E.g. (192.168.1.20/172.10.10.20)