Backups de FS en windows server 2022 error

Tengo unas maquinas con windows server 2022. A la hora de ejecutar los backups de filesystem me dan error.

181407:save: Step (1 of 5) for PID-9820: Save has been started on the client 'mntengdevew01.grifols.com'.
174412:save: Step (2 of 5) for PID-9820: Running the backup on the client 'mntengdevew01.grifols.com' for the save set 'pseudo_saveset'.
174424:save: Step (3 of 5) for PID-9820: Creating the snapshot for the selected save sets.
174426:save: Step (4 of 5) for PID-9820: Determining whether the backup level is either full or incremental.
186857:save: Performing Level 'Full' Backup for 'mntengdevew01.grifols.com:C:\'
174430:save: Backup level for mntengdevew01.grifols.com:C:\ = full.
181407:save: Step (1 of 5) for PID-14040: Save has been started on the client 'mntengdevew01.grifols.com'.
174412:save: Step (2 of 5) for PID-14040: Running the backup on the client 'mntengdevew01.grifols.com' for the save set 'C:\'.
175314:save: Child save with PID-14040 has been identifed on the client 'mntengdevew01.grifols.com' for the save set 'C:\'. Updating the total number of steps from 5 to 6.
175315:save: Step (3 of 6) for PID-14040: Created the child save process for VSS Emitter on the client 'mntengdevew01.grifols.com' for the save set 'C:\'.
174920:save: Step (4 of 6) for PID-14040: Contacting the NetWorker server through the nsrd process to obtain a handle to the target media device through the nsrmmd process for the save set 'C:\'.
174908:save:Saving the backup data in the pool 'UFSLOCMN'.
175019:save:Received the media management binding information on the host 'mnindbcksnp01.grifols.com'.
174910:save:Connected to the nsrmmd process on the host 'mnindbcksnp01.grifols.com'.
169313:save: Unable to query RAP database for device information for storage node mnindbcksnp01.grifols.com while waiting for a session to become available: Resource does not exist
206529:save: Unable to set up the direct save with server 'ncbckbsp02.grifols.com'. Be sure network connectivity exists between client 'mntengdevew01.grifols.com' and storage node 'mnindbcksnp01.grifols.com' in both directions. Error: Authentication error; why = Server rejected credential
174920:save: Step (4 of 6) for PID-14040: Contacting the NetWorker server through the nsrd process to obtain a handle to the target media device through the nsrmmd process for the save set 'C:\'.

174920:save: Step (4 of 6) for PID-14040: Contacting the NetWorker server through the nsrd process to obtain a handle to the target media device through the nsrmmd process for the save set 'C:\'.
174908:save:Saving the backup data in the pool 'UFSLOCMN'.
175019:save:Received the media management binding information on the host 'mnindbcksnp01.grifols.com'.
174910:save:Connected to the nsrmmd process on the host 'mnindbcksnp01.grifols.com'.
169313:save: Unable to query RAP database for device information for storage node mnindbcksnp01.grifols.com while waiting for a session to become available: Resource does not exist
206529:save: Unable to set up the direct save with server 'ncbckbsp02.grifols.com'. Be sure network connectivity exists between client 'mntengdevew01.grifols.com' and storage node 'mnindbcksnp01.grifols.com' in both directions. Error: Authentication error; why = Server rejected credential
174920:save: Step (4 of 6) for PID-14040: Contacting the NetWorker server through the nsrd process to obtain a handle to the target media device through the nsrmmd process for the save set 'C:\'.
174908:save:Saving the backup data in the pool 'UFSLOCMN'.
175019:save:Received the media management binding information on the host 'mnindbcksnp01.grifols.com'.
174910:save:Connected to the nsrmmd process on the host 'mnindbcksnp01.grifols.com'.
169313:save: Unable to query RAP database for device information for storage node mnindbcksnp01.grifols.com while waiting for a session to become available: Resource does not exist
206529:save: Unable to set up the direct save with server 'ncbckbsp02.grifols.com'. Be sure network connectivity exists between client 'mntengdevew01.grifols.com' and storage node 'mnindbcksnp01.grifols.com' in both directions. Error: Authentication error; why = Server rejected credential
174920:save: Step (4 of 6) for PID-14040: Contacting the NetWorker server through the nsrd process to obtain a handle to the target media device through the nsrmmd process for the save set 'C:\'.
174908:save:Saving the backup data in the pool 'UFSLOCMN'.
175019:save:Received the media management binding information on the host 'mnindbcksnp01.grifols.com'.
174910:save:Connected to the nsrmmd process on the host 'mnindbcksnp01.grifols.com'.
169313:save: Unable to query RAP database for device information for storage node mnindbcksnp01.grifols.com while waiting for a session to become available: Resource does not exist
206529:save: Unable to set up the direct save with server 'ncbckbsp02.grifols.com'. Be sure network connectivity exists between client 'mntengdevew01.grifols.com' and storage node 'mnindbcksnp01.grifols.com' in both directions. Error: Authentication error; why = Server rejected credential
174920:save: Step (4 of 6) for PID-14040: Contacting the NetWorker server through the nsrd process to obtain a handle to the target media device through the nsrmmd process for the save set 'C:\'.
174908:save:Saving the backup data in the pool 'UFSLOCMN'.
175019:save:Received the media management binding information on the host 'mnindbcksnp01.grifols.com'.
174910:save:Connected to the nsrmmd process on the host 'mnindbcksnp01.grifols.com'.
169313:save: Unable to query RAP database for device information for storage node mnindbcksnp01.grifols.com while waiting for a session to become available: Resource does not exist
206529:save: Unable to set up the direct save with server 'ncbckbsp02.grifols.com'. Be sure network connectivity exists between client 'mntengdevew01.grifols.com' and storage node 'mnindbcksnp01.grifols.com' in both directions. Error: Authentication error; why = Server rejected credential
174920:save: Step (4 of 6) for PID-14040: Contacting the NetWorker server through the nsrd process to obtain a handle to the target media device through the nsrmmd process for the save set 'C:\'.
174908:save:Saving the backup data in the pool 'UFSLOCMN'.
175019:save:Received the media management binding information on the host 'mnindbcksnp01.grifols.com'.
174910:save:Connected to the nsrmmd process on the host 'mnindbcksnp01.grifols.com'.
169313:save: Unable to query RAP database for device information for storage node mnindbcksnp01.grifols.com while waiting for a session to become available: Resource does not exist
206529:save: Unable to set up the direct save with server 'ncbckbsp02.grifols.com'. Be sure network connectivity exists between client 'mntengdevew01.grifols.com' and storage node 'mnindbcksnp01.grifols.com' in both directions. Error: Authentication error; why = Server rejected credential
174920:save: Step (4 of 6) for PID-14040: Contacting the NetWorker server through the nsrd process to obtain a handle to the target media device through the nsrmmd process for the save set 'C:\'.
174908:save:Saving the backup data in the pool 'UFSLOCMN'.
175019:save:Received the media management binding information on the host 'mnindbcksnp01.grifols.com'.
174910:save:Connected to the nsrmmd process on the host 'mnindbcksnp01.grifols.com'.
169313:save: Unable to query RAP database for device information for storage node mnindbcksnp01.grifols.com while waiting for a session to become available: Resource does not exist
206529:save: Unable to set up the direct save with server 'ncbckbsp02.grifols.com'. Be sure network connectivity exists between client 'mntengdevew01.grifols.com' and storage node 'mnindbcksnp01.grifols.com' in both directions. Error: Authentication error; why = Server rejected credential
174920:save: Step (4 of 6) for PID-14040: Contacting the NetWorker server through the nsrd process to obtain a handle to the target media device through the nsrmmd process for the save set 'C:\'.
174908:save:Saving the backup data in the pool 'UFSLOCMN'.
175019:save:Received the media management binding information on the host 'mnindbcksnp01.grifols.com'.
174910:save:Connected to the nsrmmd process on the host 'mnindbcksnp01.grifols.com'.
169313:save: Unable to query RAP database for device information for storage node mnindbcksnp01.grifols.com while waiting for a session to become available: Resource does not exist
206529:save: Unable to set up the direct save with server 'ncbckbsp02.grifols.com'. Be sure network connectivity exists between client 'mntengdevew01.grifols.com' and storage node 'mnindbcksnp01.grifols.com' in both directions. Error: Authentication error; why = Server rejected credential
175299:save: Cannot open the 'save' session with 'ncbckbsp02.grifols.com': Authentication error; why = Server rejected credential.
174921:save: Step (5 of 6) for PID-14040: Unable to connect to the target media device through the nsrmmd process for the save set 'C:\'.
mntengdevew01.grifols.com: C:\    level=full,      0 KB 00:00:06      0 files
Completed savetime=1743066450
90014:save: The backup of VSS emit save set 'C:\' failed.
99123:save: Handling an abort while processing Windows backup.
113712:save: Unable to perform the ASR backup: cannot obtain emitter status.

174918:save: Step (5 of 5) for PID-9820: Unable to complete the backup. See the savegrp log to track the closure steps of the backup.
175023:save: Unable to back up the save set 'pseudo_saveset'.