Error 0xFFFFFC01 JET_errInvalidPath

Read time 4 minutes

Joint Engine Technology (Jet) error in Exchange is familiar to businesses relying on the Exchange database. The sudden occurrence of errors such as “0xFFFFFC01 JET_errInvalidPath” brings an unwanted pause to your workflow. In most cases, using the Eseutil tool is not productive for fixing these errors, especially for highly corrupted Exchange databases.

The most crucial task in fixing this error is analyzing its nature and the message it is throwing. Properly identifying the reason will help you simplify the recovery. We will discuss valuable ways to fix this error without encountering any data loss.

Understanding the “0xFFFFFC01 JET_errInvalidPath” error

Sometimes, during the process of mounting a mailbox store or public folder store in MS Exchange Server 2000 or 2003, following error message appears on your computer screen:

An event log describing the preceding error message is also recorded in the Application log that can be viewed using an event viewer. The event log recorded in the Application log contains following information:

Event Type: Error
Event Source: MSExchangeIS
Event Category: General
Event ID: 9518
Date: date
Time: time
User: N/A
Computer: SERVERNAME

Error description

Error 0xfffffc01 starting Storage Group /DC=COM/DC=EXAMPLE/CN=CONFIGURATION/CN=SERVICES/CN=MICROSOFT EXCHANGE/CN=FIRST ORGANIZATION/CN=ADMINISTRATIVE GROUPS/CN=FIRST ADMINISTRATIVE GROUP/CN=SERVERS/CN=ServerName/CN=INFORMATIONSTORE/CN=FIRST STORAGE GROUP on the Microsoft Exchange Information Store. Storage Group – Initialization of Jet failed.

Reasons behind 0xFFFFFC01 JET_errInvalidPath error

Usually, the occurrence of jet invalid path error comprises of various reasons in which corruption is main. The error message can be generated due to the following primary reasons:

• You have specified wrong path for the mailbox store or public folder store that you want to mount. It may happen that the drive letter where the mailbox store or public folder store is located has been changed to another drive letter due to which the software is unable to find the required mailbox store or public folder store.
• The error message can also be generated when an antivirus program has blocked read/write access to the drive where mailbox store or public folder store is available.

Reliable solutions to fix the 0xFFFFFC01 error

To resolve the specified error message and perfectly mount the mailbox store or public folder store in Exchange Server, you first need to know the cause of the error.

If antivirus is the source issue

You should confirm whether the problem has occurred due to antivirus program or wrong file path. To verify that if the problem is due to antivirus, follow these ways:

• Disable the antivirus program for a while.
• After that, again try mounting the mailbox store or public folder store in MS Exchange Server.

If the mounting process will be completed successfully then it means the problem was due to antivirus. In that case, you should obtain the latest antivirus update otherwise you may face the same issue again in the future.

But, in case you receive the same error message even after disabling the antivirus program, perform the following steps to tackle the issue:

1. Click Start > All Programs > Microsoft Exchange > System Manager.
2. Expand Administrative Groups in which you are facing the problem.
3. Now, expand the Server on which you are having the problem.
4. Right-click the storage group that contains the mailbox store or public folder store that you need to mount.
5. Click Properties.
6. Select the General tab.
7. Examine the path in the Transaction log location box and in the System path location box. If you found the path wrong, then click Browse to locate the mailbox store or public folder store. In Exchange Server 2000 or 2003, database files are stored at following location:
   %PROGRAMFILES%\Exchsrvr\mdbdata
8. Click OK.
9. Repeat steps 3 to 7 for each storage group in the Server to verify the file location.
10. After you have completed verifying the file location for each storage group, you need to verify the database location for each store in each storage group.

Following steps help you verifying database location for each store in each storage group:

Now, select and expand a storage group.

1. Right-click the StoreName (ServerName) and click Properties.
2. Select the Database tab and verify the path appearing in the Exchange database box. After that, verify the path appearing in the Exchange streaming database box.
3. If any one or both of the paths are found incorrect then click Browse to locate the correct database file.
4. Click OK.
5. Repeat steps 2 to 5 to verify the path for each mailbox store or public folder store.
6. Now, mount the mailbox store or public folder store in Exchange Server.

Adopting third-party solutions to fix Exchange Server issue

While working with Exchange Server, the Exchange database file can be damaged anytime due to various known and unknown reasons. It will become very hectic to try different manual ways to find the root cause and then fix the error. Even after executing numerous ways, manual approach does not assure data protection or positive results.

If you face problems due to database corruption while working with Exchange Server, try using Kernel for Exchange Server. Exchange Mailbox Recovery software is embedded with modern features that offers diverse functionality in the process of EDB file recovery. Integrated with user-friendly interface, it can also repairs corrupt Exchange database file and helps you continue working with it. It saves the recovered mailboxes to PST and EDB files after performing recovery process.

Conclusion

The frequency of facing 0xFFFFFC01 JET_errInvalidPath error while performing any action in the Exchange database indicates the corruption issue. The above article guides you about the environment of this error and why you experience such an error. We have also mentioned the effective ways to fix this issue in detail. Still, the best way to fix your EDB file corruption and avoid such problems is by employing Kernel for Exchange Server software, which helps you fix EDB corruption and restore data quickly.