Strange user mailbox names (Network Steve Forum)

Strange user mailbox names

has anyone ever seen exchange mailboxes like these? Our customer has a ton of them and although I have hidden them from the address book I would still like to know what they are.

C26FC713-LGU000000 SERVERNAMEC26FC713-LGU000000@domain.co.uk
C26FC713-LGU000001 SERVERNAMEC26FC713-LGU000001@domain.co.uk
C26FC713-LGU000002 SERVERNAMEC26FC713-LGU000002@domain.co.uk
C26FC713-LGU000003 SERVERNAMEC26FC713-LGU000003@domain.co.uk
C26FC713-LGU000004 SERVERNAMEC26FC713-LGU000004@domain.co.uk
C26FC713-LGU000005 SERVERNAMEC26FC713-LGU000005@domain.co.uk

I have seen similar accounts here but not explained as they were not the basis of the post or question, maybe something to do with databases - http://exchangeserverpro.com/browsing-mailbox-databases-in-exchange-2007-and-2010
and here https://social.technet.microsoft.com/Forums/en-US/e2e986f3-1bd3-4a5a-8670-3bdd92733532/new-exchange-build-cu8-with-loadgen-2013?forum=exchangesvr3rdpartyapps

http://www.wapshere.com/missmiis/exchange-2010-loadgen-doesnt-work-with-a-cas-array

Thanks in advance for any help.

Edited by snowcarrot 17 hours 45 minutes ago

July 3rd, 2015 9:43am

Hello

please share report for
get-mailbox C26FC713-LGU000000 SERVERNAMEC26FC713-LGU000000@domain.co.uk | fl

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July 3rd, 2015 9:51am

RunspaceId : 584eb4ec-47b9-4555-9fd8-3df0061f690a
Database : DB2 EMM-LIZ
Location :
UseDatabaseRetentionDefaults : True
RetainDeletedItemsUntilBackup : False
DeliverToMailboxAndForward : False
IsExcludedFromServingHierarchy : False
LitigationHoldEnabled : False
SingleItemRecoveryEnabled : False
RetentionHoldEnabled : False
EndDateForRetentionHold :
StartDateForRetentionHold :
RetentionComment :
RetentionUrl :
LitigationHoldDate :
LitigationHoldOwner :
LitigationHoldDuration : Unlimited
ManagedFolderMailboxPolicy :
RetentionPolicy :
AddressBookPolicy :
CalendarRepairDisabled : False
ExchangeGuid : e9b8f2f2-947c-466b-826f-d6b9a41654eb
MailboxContainerGuid :
AggregatedMailboxGuids : {}
ExchangeSecurityDescriptor : System.Security.AccessControl.RawSecurityDescriptor
ExchangeUserAccountControl : AccountDisabled
AdminDisplayVersion : Version 15.0 (Build 847.32)
MessageTrackingReadStatusEnabled : True
ExternalOofOptions : External
ForwardingAddress :
ForwardingSmtpAddress :
RetainDeletedItemsFor : 14.00:00:00
IsMailboxEnabled : True
Languages : {}
OfflineAddressBook :
ProhibitSendQuota : Unlimited
ProhibitSendReceiveQuota : Unlimited
RecoverableItemsQuota : Unlimited
RecoverableItemsWarningQuota : Unlimited
CalendarLoggingQuota : Unlimited
DowngradeHighPriorityMessagesEnabled : False
ProtocolSettings : {}
RecipientLimits : Unlimited
ImListMigrationCompleted : False
IsResource : False
IsLinked : False
IsShared : False
IsRootPublicFolderMailbox : False
LinkedMasterAccount :
ResetPasswordOnNextLogon : True
ResourceCapacity :
ResourceCustom : {}
ResourceType :
RoomMailboxAccountEnabled :
SamAccountName : C26FC713-LGU000000
SCLDeleteThreshold :
SCLDeleteEnabled :
SCLRejectThreshold :
SCLRejectEnabled :
SCLQuarantineThreshold :
SCLQuarantineEnabled :
SCLJunkThreshold :
SCLJunkEnabled :
AntispamBypassEnabled : False
ServerLegacyDN : /o=B and CE/ou=Exchange Administrative Group
(FYDIBOHF23SPDLT)/cn=Configuration/cn=Servers/cn=server
ServerName : server
UseDatabaseQuotaDefaults : False
IssueWarningQuota : Unlimited
RulesQuota : 64 KB (65,536 bytes)
Office :
UserPrincipalName : C26FC713-LGU000000@domain.local
UMEnabled : False
MaxSafeSenders :
MaxBlockedSenders :
NetID :
ReconciliationId :
WindowsLiveID :
MicrosoftOnlineServicesID :
ThrottlingPolicy :
RoleAssignmentPolicy :
DefaultPublicFolderMailbox : bandce.local/Users/PF Mailbox
SharingPolicy :
RemoteAccountPolicy :
MailboxPlan :
ArchiveDatabase :
ArchiveGuid : 00000000-0000-0000-0000-000000000000
ArchiveName : {}
JournalArchiveAddress :
ArchiveQuota : Unlimited
ArchiveWarningQuota : Unlimited
ArchiveDomain :
ArchiveStatus : None
ArchiveState : None
RemoteRecipientType : None
DisabledArchiveDatabase :
DisabledArchiveGuid : 00000000-0000-0000-0000-000000000000
QueryBaseDN :
QueryBaseDNRestrictionEnabled : False
MailboxMoveTargetMDB :
MailboxMoveSourceMDB :
MailboxMoveFlags : None
MailboxMoveRemoteHostName :
MailboxMoveBatchName :
MailboxMoveStatus : None
MailboxRelease :
ArchiveRelease :
IsPersonToPersonTextMessagingEnabled : False
IsMachineToPersonTextMessagingEnabled : False
UserSMimeCertificate : {}
UserCertificate : {}
CalendarVersionStoreDisabled : False
ImmutableId :
PersistedCapabilities : {}
SKUAssigned :
AuditEnabled : False
AuditLogAgeLimit : 90.00:00:00
AuditAdmin : {Update, Move, MoveToDeletedItems, SoftDelete, HardDelete, FolderBind,
SendAs, SendOnBehalf, Create}
AuditDelegate : {Update, SoftDelete, HardDelete, SendAs, Create}
AuditOwner : {}
WhenMailboxCreated : 22/04/2015 10:13:42
SourceAnchor :
UsageLocation :
IsSoftDeletedByRemove : False
IsSoftDeletedByDisable : False
IsInactiveMailbox : False
IncludeInGarbageCollection : False
WhenSoftDeleted :
InPlaceHolds : {}
Extensions : {}
HasPicture : False
HasSpokenName : False
AcceptMessagesOnlyFrom : {}
AcceptMessagesOnlyFromDLMembers : {}
AcceptMessagesOnlyFromSendersOrMembers : {}
AddressListMembership : {\All Mailboxes(VLV), \All Recipients(VLV)}
Alias : C26FC713-LGU000000
ArbitrationMailbox :
BypassModerationFromSendersOrMembers : {}
OrganizationalUnit : bandce.local/LoadGen Objects/Users/DB2 EMM-LIZ
CustomAttribute1 :
CustomAttribute10 :
CustomAttribute11 :
CustomAttribute12 :
CustomAttribute13 :
CustomAttribute14 :
CustomAttribute15 :
CustomAttribute2 :
CustomAttribute3 :
CustomAttribute4 :
CustomAttribute5 :
CustomAttribute6 :
CustomAttribute7 :
CustomAttribute8 :
CustomAttribute9 :
ExtensionCustomAttribute1 : {}
ExtensionCustomAttribute2 : {}
ExtensionCustomAttribute3 : {}
ExtensionCustomAttribute4 : {}
ExtensionCustomAttribute5 : {}
DisplayName : SERVER C26FC713-LGU000000
EmailAddresses : {smtp:SERVERC26FC713-LGU000000@domain.local,
SMTP:SERVERC26FC713-LGU000000@domain.co.uk,
smtp:C26FC713-LGU000000@domain.local}
GrantSendOnBehalfTo : {}
ExternalDirectoryObjectId :
HiddenFromAddressListsEnabled : True
LastExchangeChangedTime :
LegacyExchangeDN : /o=B and CE/ou=Exchange Administrative Group
(FYDIBOHF23SPDLT)/cn=Recipients/cn=C26FC713-LGU000000
MaxSendSize : Unlimited
MaxReceiveSize : Unlimited
ModeratedBy : {}
ModerationEnabled : False
PoliciesIncluded : {28c1755c-abb1-4ce5-9c5a-6be0fe756733, {26491cfc-9e50-4857-861b-0cb8df22b5d7}}
PoliciesExcluded : {}
EmailAddressPolicyEnabled : True
PrimarySmtpAddress : SERVERC26FC713-LGU000000@domain.co.uk
RecipientType : UserMailbox
RecipientTypeDetails : UserMailbox
RejectMessagesFrom : {}
RejectMessagesFromDLMembers : {}
RejectMessagesFromSendersOrMembers : {}
RequireSenderAuthenticationEnabled : False
SimpleDisplayName :
SendModerationNotifications : Always
UMDtmfMap : {emailAddress:27624523122632713548000000,
lastNameFirstName:22632713548000000276245231,
firstNameLastName:27624523122632713548000000}
WindowsEmailAddress : SERVERC26FC713-LGU000000@domain.co.uk
MailTip :
MailTipTranslations : {}
Identity : bandce.local/LoadGen Objects/Users/DB2 EMM-LIZ/CRMAILBE1 C26FC713-LGU000000
IsValid : True
ExchangeVersion : 0.0 (0.0.0.0)
Name : SERVER C26FC713-LGU000000
DistinguishedName : CN=SERVER C26FC713-LGU000000,OU=DB2 EMM-LIZ,OU=Users,OU=LoadGen
Objects,DC=domain,DC=local
Guid : 884a00cb-d111-4c14-80af-e1136542f115
ObjectCategory : domain.local/Configuration/Schema/Person
ObjectClass : {top, person, organizationalPerson, user}
WhenChanged : 02/06/2015 10:36:17
WhenCreated : 14/04/2015 20:38:23
WhenChangedUTC : 02/06/2015 09:36:17
WhenCreatedUTC : 14/04/2015 19:38:23
OrganizationId :
OriginatingServer : server.domain.local
ObjectState : Unchanged

July 3rd, 2015 12:07pm

Hello

yes that's user create Exchange Load Generator. simple delete users with ADUC

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July 3rd, 2015 3:54pm

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