Exchange 2007: Setup.com /PrepareSchema failing with error Code 8245: 'Schema update failed: An attribute with the same link identifier already exists'



In Adsiedit.msc follow the below mentioned path and provide the values as defined:

Schema Container -> CN= Schema ->Right Click -> New Object -> attributeschema -> Next
# For 'CN=ms-Exch-Mobile-Mailbox-Policy-Link'

Attribute Value:
cn 'CN=ms-Exch-Mobile-Mailbox-Policy-Link'
oMSyntax 127
lDAPDisplayName msExchMobileMailboxPolicyLink
isSingleValued TRUE
attributeSyntax 2.5.5.1
attributeID 1.2.840.113556.1.4.7000.102.50668

# Finish

# for 'CN=ms-Exch-Mobile-Mailbox-Policy-BL'

Attribute Value
cn 'CN=ms-Exch-Mobile-Mailbox-Policy-BL'
oMSyntax 127
lDAPDisplayName msExchMobileMailboxPolicyBL
isSingleValued FALSE
attributeSyntax 2.5.5.1
attributeID 1.2.840.113556.1.4.7000.102.50726

# Finish
# After this run the Setup.com /PrepareSchema and it will complete successfully.

Cheers....

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