Duplicate Account Name not allowed
86693
Trigger to prevent duplication of records in Salesforce
75209
Why is `make_unique` disallowed?
135805
Can we restrict the ability of users to keep changing their names?
8022
"Requires a valid user is specified ..." error when using getCount
132308
How to fix insufficient access rights on cross-reference id?
73204
Renaming user name
11295
What is duplicate content and how can I avoid being penalized for it on my site?
14839
Do not delete good duplicates!
12907
What characters are allowed for the display name?
1631
How can I change displayed name as sender?
25047
I'm unable to to put my nickname
84581
How to login in two accounts in the same browser?
138642
Should the "closed as duplicate" message be altered?
20868
How can I delete my account?
51375
Why would one limit username format?
81384
Community is inconsistent with account lists
116237
How can I delete an account on a specific site?