This is log of My Mongo Db error

[Hariom Sharma]

Please give the solution , why am i facing this error . I am using this with Asp.net C# 

2017-09-20T17:29:44.316+0530 I NETWORK  [thread1] connection accepted from 127.0.0.1:62399 #1896 (12 connections now open)

2017-09-20T17:29:44.317+0530 I -        [conn1896] end connection 127.0.0.1:62399 (12 connections now open)

2017-09-20T17:29:54.332+0530 I NETWORK  [thread1] connection accepted from 127.0.0.1:62400 #1897 (12 connections now open)

2017-09-20T17:29:54.334+0530 I -        [conn1897] end connection 127.0.0.1:62400 (12 connections now open)

2017-09-20T17:29:55.213+0530 I NETWORK  [thread1] connection accepted from 127.0.0.1:62401 #1898 (12 connections now open)

2017-09-20T17:29:55.223+0530 I NETWORK  [conn1898] received client metadata from 127.0.0.1:62401 conn1898: { application: { name: "Robomongo" }, driver: { name: "MongoDB Internal Client", version: "3.4.3-7-gf394f8c" }, os: { type: "Windows", name: "Microsoft Windows 7", architecture: "x86_64", version: "6.1 SP1 (build 7601)" } }

2017-09-20T17:29:55.253+0530 I ACCESS   [conn1898] Successfully authenticated as principal Admin on admin

2017-09-20T17:29:55.287+0530 I NETWORK  [thread1] connection accepted from 127.0.0.1:62402 #1899 (13 connections now open)

2017-09-20T17:29:55.297+0530 I NETWORK  [conn1899] received client metadata from 127.0.0.1:62402 conn1899: { application: { name: "MongoDB Shell" }, driver: { name: "MongoDB Internal Client", version: "3.4.3-7-gf394f8c" }, os: { type: "Windows", name: "Microsoft Windows 7", architecture: "x86_64", version: "6.1 SP1 (build 7601)" } }

2017-09-20T17:29:55.312+0530 I ACCESS   [conn1899] Successfully authenticated as principal Admin on admin

2017-09-20T17:30:04.331+0530 I NETWORK  [thread1] connection accepted from 127.0.0.1:62403 #1900 (14 connections now open)

2017-09-20T17:30:04.332+0530 I -        [conn1900] end connection 127.0.0.1:62403 (14 connections now open)

2017-09-20T17:30:14.347+0530 I NETWORK  [thread1] connection accepted from 127.0.0.1:62404 #1901 (14 connections now open)

2017-09-20T17:30:14.349+0530 I -        [conn1901] end connection 127.0.0.1:62404 (14 connections now open)

2017-09-20T17:30:24.347+0530 I NETWORK  [thread1] connection accepted from 127.0.0.1:62405 #1902 (14 connections now open)

2017-09-20T17:30:24.348+0530 I -        [conn1902] end connection 127.0.0.1:62405 (14 connections now open)

2017-09-20T17:30:30.819+0530 I -        [conn1889] end connection 127.0.0.1:62387 (13 connections now open)

2017-09-20T17:30:36.589+0530 I NETWORK  [thread1] connection accepted from 127.0.0.1:62412 #1903 (13 connections now open)

2017-09-20T17:30:36.618+0530 I ACCESS   [conn1903]  authenticate db: Asha { authenticate: 1, user: "R", nonce: "xxx", key: "xxx" }

2017-09-20T17:30:36.618+0530 I ACCESS   [conn1903] Failed to authenticate R@Asha with mechanism MONGODB-CR: AuthenticationFailed: UserNotFound: Could not find user R@Asha

2017-09-20T17:30:46.612+0530 I NETWORK  [thread1] connection accepted from 127.0.0.1:62414 #1904 (14 connections now open)

2017-09-20T17:30:46.615+0530 I -        [conn1904] end connection 127.0.0.1:62414 (14 connections now open)

[Max]

Hi, 

first look inside your log file and I see : 

"Failed to authenticate R@Asha with mechanism MONGODB-CR: AuthenticationFailed: UserNotFound: Could not find user R@Asha"

Best regards hope this help.