ORA-16688: command cannot be issued on a disabled member

Cause: Disable and Enable standby database when connecting to standby database

dgmgrl sys@stby

DGMGRL> disable database stby
Disabled.

DGMGRL> enable database stby
Error: ORA-16688: command cannot be issued on a disabled member

Failed.

DESCRIPTION

trying to enable database from disable standby database and that failed

Solution:

connect with primary database instead of standby and issue command again

dgmgrl sys@prmy

DGMGRL> enable database stby
Enabled.