Here are the description of MS-Diagnostic Errors you may see in Skype for Business logs when troubleshooting.
The following table details what string is displayed in the SIP protocol client, depending upon what ms-diagnostic error is received for a given mode.
Note that the following placeholder is used in these messages:
§ [user name] is used in place of an actual user name.
§ [client name] is used in place of the name of the SIP protocol client
| Mode | Error ID | Error Message | Additional Information | Diagnostic reason |
|---|---|---|---|---|
| IM | 0 | This message was not delivered to [user name] because the service is not available. | Server internal error. | |
| IM | 1 | [user name] could not be reached and this message was not delivered. | Service unavailable. | |
| Conference | 4 | The network is busy. Cannot join the meeting. | Insufficient bandwidth to establish session. Do not attempt re-route. | |
| Conference | 4 | Cannot add [user name] to the meeting because network is busy. | Insufficient bandwidth to establish session. Do not attempt re-route. | |
| Voice | 4 | Could not complete the call because the network is busy. Try again later. | Insufficient bandwidth to establish session. Do not attempt re-route. | |
| Voice | 4 | Cannot complete the transfer. | Transfer failed because the network is busy. Please try again later. | Insufficient bandwidth to establish session. Do not attempt re-route. |
| Voice | 4 | Could not add video because the network is busy. Try again later. | Insufficient bandwidth to establish session. Do not attempt re-route. | |
| Voice | 5 | This call may take longer to connect because the network is busy. Some functionality may be reduced. | This call may take longer to connect because the network is busy. Some functionality may be reduced. | Insufficient bandwidth to establish session. Attempt PSTN re-route. |
| Conference | 1003 | This online meeting cannot be found. | This online meeting cannot be found on the server. Please check the meeting identifier and try again. | User does not exist. |
| Conference | 1003 | [user name] cannot be found. Please check the address and try again. | User does not exist. | |
| IM | 1003 | [user name] could not be found and this message was not delivered: | User does not exist. | |
| Voice | 1003 | Cannot locate [user name]. | There may be an error in the address. Check the address and then try again. | User does not exist. |
| Voice | 1003 | Cannot complete the transfer. | This phone number or address is incorrect, or it is outside of your organization and is not federated with your company. Please contact your support team with this information. | User does not exist. |
| Conference | 1004 | [user name] did not respond to the invitation. | Route set is no longer valid. | |
| Sharing | 1004 | Sharing ended due to network issues. Try again later. | Route set is no longer valid. | |
| Conference | 1005 | Cannot join this meeting from outside your organization. | Cannot join the meeting because the meeting organizer is outside of your organization and is not federated with your company. Or, the meeting information may be incorrect. Please contact your support team with this information. | Cannot route to destination domain. |
| Conference | 1005 | Cannot reach [user name]. | The address is incorrect or this person is outside your company and not federated. Please contact your support team with this information. | Cannot route to destination domain. |
| IM | 1005 | This message was not delivered to [user name] because the address is outside of your organization and is not federated with your company, or the address is incorrect. Please contact your support team with this information. | Cannot route to destination domain. | |
| Sharing | 1005 | [user name] did not receive your sharing invitation. | [user name] did not receive your sharing invitation because the address is incorrect or this person is outside your company and not federated. Please contact your support team with this information. | Cannot route to destination domain. |
| Voice | 1005 | Cannot locate [user name]. | This phone number or address is incorrect, or it is outside of your organization and is not federated with your company. Please contact your support team with this information. | Cannot route to destination domain. |
| Sharing | 1007 | Screen sharing cannot connect to the server now. | Screen sharing cannot connect to the server now. Please wait and try again. If this issue continues, contact your support team with this information. | Temporarily cannot route. |
| Conference | 1008 | Cannot join this meeting from outside your organization. | Cannot join the meeting because the meeting organizer is outside of your organization and is not federated with your company. Or, the meeting information may be incorrect. Please contact your support team with this information. | Unable to resolve DNS SRV record. |
| Conference | 1008 | Cannot reach [user name]. | The address is incorrect or this person is outside your company and not federated. Please contact your support team with this information. | Unable to resolve DNS SRV record. |
| IM | 1008 | This message was not delivered to [user name] because the address is outside of your organization and is not federated with your company, or the address is incorrect. Please contact your support team with this information. | Unable to resolve DNS SRV record. | |
| Sharing | 1008 | [user name] did not receive your sharing invitation. | [user name] did not receive your sharing invitation because the address is incorrect or this person is outside your company and not federated. Please contact your support team with this information. | Unable to resolve DNS SRV record. |
| Voice | 1008 | Cannot locate [user name]. | This phone number or address is incorrect, or it is outside of your organization and is not federated with your company. Please contact your support team with this information. | Unable to resolve DNS SRV record. |
| Voice | 1008 | Cannot complete the transfer. | This phone number or address is incorrect, or it is outside of your organization and is not federated with your company. Please contact your support team with this information. | Unable to resolve DNS SRV record. |
| Conference | 1009 | Cannot join this meeting from outside your organization. | Cannot join the meeting because the meeting organizer is outside of your organization and is not federated with your company. Or the meeting information may be incorrect. Please contact your support team with this information. | No match for domain in DNS SRV results. |
| Conference | 1009 | Cannot reach [user name]. | The address is incorrect or this person is outside your company and not federated. Please contact your support team with this information. | No match for domain in DNS SRV results. |
| IM | 1009 | This message was not delivered to [user name] because the address is outside of your organization and is not federated with your company, or the address is incorrect. Please contact your support team with this information. | No match for domain in DNS SRV results. | |
| Sharing | 1009 | [user name] did not receive your sharing invitation. | [user name] did not receive your sharing invitation because the address is incorrect or this person is outside your company and not federated. Please contact your support team with this information. | No match for domain in DNS SRV results. |
| Voice | 1009 | Cannot locate [user name]. | This phone number or address is incorrect, or it is outside of your organization and is not federated with your company. Please contact your support team with this information. | No match for domain in DNS SRV results. |
| Voice | 1009 | Cannot complete the transfer. | This phone number or address is incorrect, or it is outside of your organization and is not federated with your company. Please contact your support team with this information. | No match for domain in DNS SRV results. |
| Voice | 1011 | The call could not be completed. Please try again later. | Ms-diagnostics header not provided by previous hop. | |
| Conference | 3026 | Cannot join the meeting as an anonymous attendee. | Cannot join the meeting because unauthenticated users are not allowed. Contact the meeting leader for more information. | Conference does not allow anonymous users. |
| Conference | 3027 | You do not have permission to join this meeting. | Cannot join the meeting because you do not have permission. Please contact the meeting leader for more information. | User not allowed in closed conference. |
| Conference | 3028 | Cannot join the meeting as an anonymous attendee. | Cannot join the meeting. Joining as an unauthenticated user is not supported. Contact your support team for more information. | Anonymous access disabled globally. |
| Conference | 3032 | This online meeting cannot be found. | This online meeting cannot be found on the server. Please check the meeting identifier and try again. | Conference does not exist. |
| Conference | 3033 | The conferencing service did not respond. Please wait and try again. | The C3P transaction timed out. | |
| Sharing | 3033 | The conferencing service did not respond. Please wait and try again. | The C3P transaction timed out. | |
| Conference | 3040 | The meeting you are trying to join has ended. | The meeting you are trying to join has ended or does not exist. Contact your support team with this information. | Conference is not active. |
| Conference | 3041 | Cannot join the meeting due to user permissions. | The information provided to the conferencing service was incorrect, or you may not have permission to join the meeting. Contact your support team with this information. | Unknown participant. |
| Conference | 3043 | Cannot join the meeting. | The meeting is not configured to allow people to join. Contact the meeting organizer for more information. | The organizer policy is not configured or is invalid. |
| Conference | 3044 | Cannot join the meeting as an anonymous attendee. | Cannot join the meeting because unauthenticated users are not allowed. Contact the meeting leader for more information. | Anonymous access is not allowed. |
| Conference | 3097 | The conferencing service did not respond. Please wait and try again. | No MCU is available via the MCU factory. | |
| IM | 3097 | [user name] could not be reached and this message was not delivered: | No MCU is available via the MCU factory. | |
| Sharing | 3097 | Screen sharing cannot connect to the server now. | Screen sharing cannot connect to the server now. Please wait and try again. If this issue continues, contact your support team with this information. | No MCU is available via the MCU factory. |
| Voice | 3097 | Call was unsuccessful. | The conferencing service is not available. Please wait and try again. If this problem continues, contact your support team. | No MCU is available via the MCU factory. |
| Conference | 3098 | The conferencing service did not respond. Please wait and try again. | No MCU factory available. | |
| Conference | 3099 | Cannot connect to this type of online meeting. | This meeting is not configured to allow people to join. Contact the meeting organizer for more information. | The requested media is not configured for this conference. |
| Conference | 3100 | Meeting is full. | Cannot connect to the meeting because it is full. Contact the meeting leader for more information. | Maximum participant count for this meeting has been exceeded. |
| Conference | 3100 | Cannot invite [user name] because the meeting is full. | Maximum participant count for this meeting has been exceeded. | |
| Sharing | 3108 | Screen sharing cannot connect to the server now. | Screen sharing cannot connect to the server now. Please wait and try again. If this issue continues, contact your support team with this information. | MCU is unreachable. |
| Sharing | 3109 | Screen sharing cannot connect to the server now. | Screen sharing cannot connect to the server now. Please wait and try again. If this issue continues, contact your support team with this information. | The request was sent to the MCU but the C3P transaction timed out. |
| Sharing | 3110 | Sharing is disabled. | The MCU rejected addConference request. This usually indicates a misconfiguration. | |
| Conference | 3113 | A presenter has ended the meeting. | Conference terminated – deleted. | |
| Conference | 3114 | The meeting ended because the hosts have left. | Conference terminated – Enterprise user absent. | |
| Conference | 3115 | This meeting was ended due to inactivity. | Conference terminated – inactivity. | |
| Conference | 3116 | A presenter has ended the meeting. | Conference terminated – organizer ended session. | |
| Sharing | 3116 | A presenter has ended the meeting. | Conference terminated – organizer ended session. | |
| Conference | 3118 | You were removed from the meeting. | A presenter has removed you from the meeting. For more information, please contact the meeting organizer or a presenter. | Participant removed. |
| Sharing | 3118 | You were removed from the meeting. | A presenter has removed you from the meeting. For more information, please contact the meeting organizer or a presenter. | Participant removed. |
| Conference | 3119 | You were not admitted into the meeting. | Participant denied. | |
| Conference | 3120 | Call was disconnected. | The call was disconnected because the audio ended. This can happen if there are delays in the network. Try logging out of | Participant session expired. |
| IM | 3122 | This message may not have been delivered to [user name] because there was no response from the server. | The C3P request sent to the MCU failed. | |
| Sharing | 3122 | Screen sharing cannot connect to the server now. | Screen sharing cannot connect to the server now. Please wait and try again. If this issue continues, contact your support team with this information. | The C3P request sent to the MCU failed. |
| Conference | 3138 | The subject line is too long. | The online meeting cannot be created because the subject is too long. Please shorten the subject and try again. | The requested conference subject exceeds the maximum length. |
| Conference | 3181 | Meeting permissions are preventing you from joining. | The permissions set for this meeting require you to end your audio call before you can join by using the meeting link. Please hang up and then click the meeting link again. Once you have joined the meeting, you may call to join audio again if you need to. | Rich join is not allowed for lobby bypassed user. |
| Voice | 4002 | Cannot complete the call. | There is more than one contact with your phone number. If you cannot resolve this problem, contact your support team with this information. | Multiple users associated with the source phone number. |
| Voice | 4004 | The provided credentials are not authorized by the server. | Credentials provided are not authorized to act as specified from URI. | |
| Voice | 4009 | Cannot contact [user name]. | There is more than one contact with the same phone number. Try calling again. If you still cannot complete the call, contact your support team with this information. | Multiple users associated with the destination phone number. |
| Conference | 5001 | The conferencing service did not respond. Please wait and try again. | Request timed out. | |
| Conference | 5001 | Cannot reach [user name]. Try again later. | Request timed out. | |
| IM | 5001 | This message may not have been delivered to [user name] because there was no response from the server. | Request timed out. | |
| Voice | 5001 | Call was unsuccessful. | The server timed out. Wait and try again. If the problem continues, contact your support team with this information. | Request timed out. |
| Conference | 5026 | The conferencing service did not respond. Please wait and try again. | Request was sent to Callee Client but it timed out. | |
| Conference | 5026 | Cannot reach [user name]. Try again later. | Request was sent to Callee Client but it timed out. | |
| IM | 5026 | This message may not have been delivered to [user name] because there was no response from the server. | Request was sent to Callee Client but it timed out. | |
| Voice | 5026 | Call was unsuccessful. | The server timed out. Wait and try again. If the problem continues, contact your support team with this information. | Request was sent to Callee Client but it timed out. |
| IM | 6000 | [user name] could not be reached and this message was not delivered: | SIP request send failed. | |
| Conference | 6001 | [user name] did not respond to the invitation. | Request time-out. | |
| IM | 6001 | [user name] could not be reached and this message was not delivered: | Request time-out. | |
| IM | 6002 | [user name] could not be reached and this message was not delivered: | Dialog/Transaction does not exist. | |
| IM | 6004 | The message was not delivered. [user name] is signed in to a device that cannot receive messages. | Media type is not supported. | |
| IM | 6005 | This message was not delivered to [user name] because the service is not available: | Invite session is not set up. | |
| IM | 6006 | This message was not delivered to [user name] because the service is not available: | MCU is shutting down. | |
| IM | 6007 | This message was not delivered to [user name] because the service is not available: | Conference URI not present in request. | |
| IM | 6008 | This message was not delivered to [user name] because the service is not available: | Conference represented by a conference URI does not exist. | |
| IM | 6009 | This message was not delivered to [user name] because it is too large: | Message has exceeded maximum allowed length. | |
| IM | 6010 | You are not authorized to send messages to [user name]. This message was not delivered: | Authorization failure. | |
| IM | 6011 | [user name] could not be found and this message was not delivered: | User not found. | |
| IM | 6012 | [user name] could not be found and this message was not delivered: | Participant is not expected to be incoming. | |
| IM | 6013 | This message was not delivered to [user name] because the service is not available: | Conference is terminated. | |
| IM | 6014 | This message was not delivered to [user name] because the service is not available: | Unexpected INVITE or reINVITE request. | |
| IM | 6015 | This message was not delivered to [user name] because this type of content could not be received: | SDP is not acceptable. | |
| IM | 6017 | This message was not delivered to [user name] because it is too large: | INFO body has exceeded maximum allowed length. | |
| IM | 6024 | [user name] cannot receive messages in the format you used. This message was not delivered: | Message does not contain a format acceptable to the client. | |
| Conference | 7012 | Cannot start the online meeting due to encryption issues. | The conferencing service does not support the type of content encryption you are using. Contact your support team for more information. | Cannot support media encryption required by client. |
| Voice | 7012 | Cannot start the online meeting due to encryption issues. | The conferencing service does not support the type of content encryption you are using. Contact your support team for more information. | Cannot support media encryption required by client. |
| Voice | 7013 | Cannot connect to the online meeting. | The conferencing requires content encryption to join the meeting. Contact your support team with this information. | SRTP-encrypted media required to join. |
| Voice | 10006 | Cannot connect the call due to a server error. Please try again | Proxy-side media negotiation failed. | |
| Voice | 10009 | The server is not responding or cannot be reached. Please try your call again later. | Mediation server is shutting down. | |
| Voice | 10400 | The call cannot be completed as dialed. | The call cannot be completed as dialed. Verify the dialing rules for your organization and try again. | Gateway responded with 400 Bad Request. |
| Voice | 10503 | The server cannot forward the call. Please try again. | Gateway responded with 503 Service Unavailable. | |
| Voice | 12000 | The call could not be completed. Please try again later. | The call could not be completed because of a busy network. Please try again later. | Routes available for this request but no available gateway at this point. |
| Voice | 12001 | Your organization does not support calling this number. | User policy does not contain phone route usage. | |
| Conference | 12013 | Conference does not permit unauthenticated users to join from or dial out to another device. | Conference dial outs from anonymous users disallowed. | |
| Voice | 12013 | Conference does not permit unauthenticated users to join from or dial out to another device. | Conference dial outs from anonymous users disallowed. | |
| Conference | 13002 | [user name] cannot be reached and may be offline. | The routing rules did not result in a final response. | |
| Voice | 13002 | [user name] is unavailable or may be offline. | The routing rules did not result in a final response. | |
| Voice | 13002 | Cannot complete the transfer. | Call was not transferred because [user name] cannot be reached and may be offline. | The routing rules did not result in a final response. |
| Conference | 13010 | The network is busy. Cannot join the meeting. | Target rejected call because of bandwidth congestion. | |
| Conference | 13010 | Cannot add [user name] to the meeting because network is busy. | Target rejected call because of bandwidth congestion. | |
| Voice | 13010 | Could not complete the call because the network is busy. Try again later. | Target rejected call because of bandwidth congestion. | |
| Voice | 13010 | Cannot complete the transfer. | Could not complete the call because the network is busy. Try again later. | Target rejected call because of bandwidth congestion. |
| Voice | 14005 | Unable to place call. Please check the number and try again. | Could not find profile in internal lookup. | |
| Conference | 14010 | Call was not completed or has ended. | Cannot complete the call. To correct this problem you may need to provide an area code, a number to access an outside phone line, or a number to dial long distance. If you cannot resolve this problem, your system administrator may need to change the geographic location on your user account or update the company dialing rules. | Unable to find an exact match in the rules set. |
| Conference | 14010 | Cannot reach [user name]. | The address is incorrect or this person is outside your company and not federated. Please contact your support team with this information. | Unable to find an exact match in the rules set. |
| Voice | 14010 | Please check the number and try again. | The format of the number you dialed is not valid. Examples of valid dialing formats are as follows:
1+(555) 555-0123 (555) 555-0123 9+1+(555) 555-0123 011+ 12 34 56 78 99 If you continue to be unable to successfully make a call, please contact your support team. |
Unable to find an exact match in the rules set. |
| IM | 16002 | This message was not delivered to [user name] because the message contents are restricted by policy. For more information, contact your system administrator. | Policy disallows message contents. | |
| Sharing | 21002 | Attendees not allowed to share in this conference. | Attendees cannot share in this conference. | |
| Sharing | 21003 | Sharing failed to connect due to network issues. Try again later. | Sharing failed to connect because of network issues. Try again later. | The media connection with the client was lost. |
| Sharing | 21004 | This sharing has ended because another type of sharing has started. | A presenter has started sharing content. | |
| Sharing | 21005 | Application sharing ended because you joined from another client. | This user has joined the conference from another endpoint. | |
| Sharing | 21006 | Application sharing failed because media failed to set up correctly. | The RDP connection failed to establish. | |
| Sharing | 21007 | Application sharing ended because the application sharing conference has ended. | User removed because of conference ending. | |
| Sharing | 21008 | Application sharing ended because the server is shutting down. | The Application Sharing Conferencing Service is shutting down. | |
| Sharing | 21012 | Sharing failed to connect due to network issues. Try again later. | Sharing failed to connect because of network issues. Try again later. | The media connection with the client was lost. |
| Voice | 25001 | This call may take longer to connect because the network is busy. Some functionality may be reduced. | This call may take longer to connect because the network is busy. Some functionality may be reduced. | Retrying via PSTN because of bandwidth congestion. |
| Voice | 26014 | Cannot complete the call because you are no longer an agent for [user name]. | User not authorized to make outbound call on behalf of the Response Group. | |
| Voice | 26019 | Service is temporarily unavailable. | Response Group settings found but is not active. | |
| Voice | 35000 | No call is parked at this number. | The number dialed is used for retrieving parked calls. No call is currently parked at this number. The call may have been retrieved or it may have ended. If not trying to retrieve a parked call or know that the parked call is still parked, please check the number and try again. | Orbit not found. |
| Voice | 35002 | Cannot park call right now. Please try again later. | No orbits are available. | |
| Voice | 35007 | Cannot park call right now. Please try again later. | Park request failed. Cannot establish a connection between the Call Park application and the parkee. | |
| Voice | 35015 | The call was ended while it was on hold. | Park time expired. terminating parkee call leg. |
