Failed to decrypt password from object ”. Error code is .

Product: Exchange
Event ID: 1026
Source: MSExchangeMU
Version: 6.5.6940.0
Component: Microsoft Exchange Metabase Update
Message: Failed to decrypt password from object ‘<distinguished name>‘. Error code is <error code>.

Simple Mail Transfer Protocol (SMTP) virtual servers and SMTP connectors can contain passwords used to log on to remote systems to send and receive messages. This password is encrypted and stored in Active Directory. When storing in the metabase, this password needs to be decrypted.

The metabase update agent may be unable to decrypt the password because the private key does not match the public key used to encrypt the password.

User Action

Re-enter the password on the Properties dialog box for the object specified in the message.

If the object is an SMTP connector, open the Properties dialog box of the object, select the Advanced tab, and then click Outbound Security. On the Outbound Security dialog box, select either Basic Authentication or Integrated Windows Authentication. Then, click Modify. On the Outbound Connection Credentials dialog box, re-enter the password.

– Or –

If the password was set on an SMTP virtual server, go to the SMTP Properties dialog box. On the Delivery tab, click Outbound Security. Select either Basic Authentication or Integrated Windows Authentication, and then re-enter the password.

For more information about the error code reference specified in the message, go to


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