Tag Archives: troubleshooting

Troubleshooting ‘RPC server unavailable’ 0x800706BA

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Issue: You are getting the error: "The RPC Server is unavailable. (Exception from HRESULT: 0x800706BA)" Cause: This error is likely caused by the RPC ports being blocked between the servers involved in the communication or server process you are trying to complete. Background: RPC is categorized as the X11 protocol and is in the 6001 to 6032 port range.  Commonly 6007 is what is being blocked in this case. Diagnosis: You can test RPC connectivity from the server you are on to another Read more [...]

Processing of Group Policy failed. Windows attempted to read file sysvol\policies and was not successful

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Issue: Numerous issues on DC including: Cannot apply group policy Cannot access the sysvol Errors include "Could not open pipe with [DC1]:failed with 53",      "Failed can not test for HOST SPN",      "An net use or LsaPolicy operation failed with error 53" DCDIAG Errors: Starting test: MachineAccount Could not open pipe with [DC1]:failed with 53: The network path was not found. Could not get NetBIOSDomainName Failed can not test for HOST SPN Failed can not test for HOST SPN Starting Read more [...]

Outbound email messages stuck in OWA’s Drafts folder and are never sent out

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Issue: You receive reports that users cannot send outbound email from the Exchange server in one of your sites Diagnosis steps: You attempt to test outbound mail with a test account using Outlook Web Access and out mail email immediately moves to the Drafts folder after you click 'send'. -You review the queue viewer, however there appears to be nothing stuck in the queues: -You attempt to telnet on Port 25 from the troubled server to a healthy server or healthy server to troubled server Read more [...]

400 Bad Request Error attempting to Change Password via OWA

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Issue: When users attempt to change their password via OWA they are redirected to "https://exchange/owa/lang.owa" and then receive an http "400 Bad Request" After clicking "ok" user received "Bad Request" in the browser: Cause: Users experiencing the issue are showing blank Time Zone and Language settings: You query the same settings for users that do not have the change password issue and determine their Time Zone and Language settings are populated: Resolution: 1) It's Read more [...]

Mail Enabled Public Folders Fail to receive email and produce Bounce / NDR after migrating from Exchange 2003 to Exchange 2010

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Issue: None of your mail enabled public folders are accepting mail after migrating from Exchange 2003 to Exchange 2007 or Exchange 2010.  The public folders still show as being mail enabled, and each folders permissions still shows the Anonymous group as at least having "Contributor" rights. Delivery has failed to these recipients or groups: PUBFOLDERNAME (PUBFOLDER@contoso.com) There's a problem with the recipient's mailbox. Please try resending the message. If the problem continues, please Read more [...]