Hi,
I am trying to restore admin db from mongodb version 2.6 to 6 in ubuntu 20 and have used following commands, but still facing error
commands used
mongodump --out /commvault
mongorestore /commvault
mongodump -u xxxx -d admin -c system.users -p xxx -v --authenticationDatabase admin -o systemusers.bson &> xxx_dump_date “+%Y-%m-%d”_backupoutput.log
mongorestore -d admin -c system.users -u “xxxx” -p “xxxx” -v --authenticationDatabase “admin” system.users.bson &> xxxx_bsonoutput_dec7.log
for admin db backup
mongodump --collection=myCollection --db=test
``
error:
**Failed: the users and roles collections in the dump have an incompatible auth version with target server: cannot restore users of auth version 1 to a server of auth version 5**
Still not able to resolve . Please let me know feasible solution